openapi.json

{
  "openapi": "3.0.3",
  "info": {
    "title": "0x API",
    "description": "This is the official API reference for the latest 0x API (v2).",
    "version": "v2"
  },
  "servers": [{ "url": "https://api.0x.org" }],
  "paths": {
    "/swap/allowance-holder/price": {
      "get": {
        "operationId": "swap::allowanceHolder::getPrice",
        "summary": "getPrice (Allowance Holder)",
        "description": "Get the indicative price for a swap using Allowance Holder to set allowances",
        "tags": ["Swap"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "chainId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
            "example": 1
          },
          {
            "name": "buyToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to buy",
            "example": "0xdac17f958d2ee523a2206206994597c13d831ec7"
          },
          {
            "name": "sellToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to sell",
            "example": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
          },
          {
            "name": "sellAmount",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "description": "The amount of `sellToken` in `sellToken` base units to sell",
            "example": "100000000"
          },
          {
            "name": "taker",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address which holds the `sellToken` balance and has the allowance set for the swap",
            "example": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e"
          },
          {
            "name": "txOrigin",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address of the external account that started the transaction. This is only needed if `taker` is a smart contract."
          },
          {
            "name": "recipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive the `buyToken`. If not provided, defaults to the taker address. Not supported for wrap/unwrap operations."
          },
          {
            "name": "swapFeeRecipient",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x[a-fA-F0-9]{40}(\\s*,\\s*0x[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The wallet address to receive the specified trading fees (supports single or multiple comma-separated values). You must also specify the `swapFeeBps` in the request to use this feature. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "swapFeeBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*\\d+(\\s*,\\s*\\d+)*\\s*$"
            },
            "description": "The amount in Bps of the `swapFeeToken` to charge and deliver to the `swapFeeRecipient` (supports single or multiple comma-separated values). You must also specify the `swapFeeRecipient` in the request to use this feature. For security, this field has a default limit of 1000 Bps. If your application requires a higher value, please reach out to us."
          },
          {
            "name": "swapFeeToken",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x(?!0{40})[a-fA-F0-9]{40}(\\s*,\\s*0x(?!0{40})[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The contract address of the token to receive trading fees in (supports single or multiple comma-separated values). Each token must be set to the value of either the `buyToken` or the `sellToken`. If omitted, the fee token will be determined by 0x with preference to stablecoins and highly liquid assets. You must also specify the `swapFeeRecipient` and `swapFeeBps` to charge integrator fees. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "tradeSurplusRecipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive any trade surplus. If specified, this address will receive trade surplus when applicable. Otherwise, the taker will receive the surplus. This feature is only available to selected integrators on a custom pricing plan. In other cases, the surplus will be collected by 0x. For assistance with a custom plan, please contact support."
          },
          {
            "name": "tradeSurplusMaxBps",
            "in": "query",
            "required": false,
            "schema": { "type": "integer", "minimum": 1, "maximum": 10000 },
            "description": "The maximum trade surplus (positive slippage) that can be collected in Bps of the buy amount. If not provided, defaults to 10000 (100%). Must be used together with `tradeSurplusRecipient`."
          },
          {
            "name": "gasPrice",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "The target gas price (in wei) for the swap transaction. If not provided, the default value is based on the 0x gas price oracle"
          },
          {
            "name": "slippageBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "minimum": 0,
              "maximum": 10000,
              "default": 100
            },
            "description": "The maximum acceptable slippage of the `buyToken` in Bps. If this parameter is set to 0, no slippage will be tolerated. If not provided, the default slippage tolerance is 100Bps"
          },
          {
            "name": "excludedSources",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "Liquidity sources e.g. Uniswap_V3, SushiSwap, 0x_RFQ to exclude from the provided quote. See https://api.0x.org/sources?chainId=<chain_id> with the desired chain's ID for a full list of sources. Separate multiple sources with a comma"
          },
          {
            "name": "sellEntireBalance",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "enum": ["true", "false"],
              "default": "false"
            },
            "description": "If set to `true`, the taker's entire `sellToken` balance will be sold during trade execution. The `sellAmount` should be the maximum estimated value, as close as possible to the actual taker's balance to ensure the best routing. Selling more than the `sellAmount` may cause the trade to revert. This feature is designed for cases where the precise sell amount is determined during execution. Learn more [here](https://docs.0x.org/docs/0x-swap-api/additional-topics/sell-entire-balance)."
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "type": "object",
                      "properties": {
                        "allowanceTarget": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "nullable": true,
                          "description": "The target contract address for which the `taker` needs to have an allowance in order to be able to complete the swap. For swaps with the native asset (ie \"ETH\" or \"BNB\") as the `sellToken`, wrapping the native asset (i.e. \"ETH\" to \"WETH\") or unwrapping, no allowance is needed"
                        },
                        "blockNumber": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The block number at which the liquidity sources were sampled to generate the quote. This indicates the freshness of the quote"
                        },
                        "buyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `buyToken` (in `buyToken` units) that will be bought in the swap"
                        },
                        "buyToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to buy in the swap"
                        },
                        "fees": {
                          "type": "object",
                          "properties": {
                            "integratorFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the integrator fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the integrator fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The specified fee to charge and deliver to the `swapFeeRecipient`."
                            },
                            "integratorFees": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "amount": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The amount of token charged as the integrator fee"
                                  },
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The address of the token charged as the integrator fee"
                                  },
                                  "type": {
                                    "type": "string",
                                    "enum": ["volume"]
                                  }
                                },
                                "required": ["amount", "token", "type"],
                                "additionalProperties": false
                              },
                              "nullable": true,
                              "description": "The specified fees to charge and deliver to the `swapFeesRecipient`."
                            },
                            "zeroExFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the 0x fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the 0x fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The fee charged by 0x for the trade."
                            },
                            "gasFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the gas fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the gas fee"
                                },
                                "type": { "type": "string", "enum": ["gas"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The gas fee to be used in submitting the transaction."
                            }
                          },
                          "required": [
                            "integratorFee",
                            "integratorFees",
                            "zeroExFee",
                            "gasFee"
                          ],
                          "additionalProperties": false,
                          "description": "Fees to be deducted in this transaction. It contains the `integratorFee`, `zeroExFee` and `gasFee`"
                        },
                        "gas": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "nullable": true,
                          "description": "The estimated gas limit that should be used to send the transaction to guarantee settlement"
                        },
                        "gasPrice": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The gas price (in wei) that should be used to send the transaction. The transaction needs to be sent with this `gasPrice` for the transaction to be successful"
                        },
                        "issues": {
                          "type": "object",
                          "properties": {
                            "allowance": {
                              "type": "object",
                              "properties": {
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The `taker`'s current allowance of the `spender`"
                                },
                                "spender": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address to set the allowance on"
                                }
                              },
                              "required": ["actual", "spender"],
                              "additionalProperties": false,
                              "description": "Details of allowances that the `taker` must set for in order to execute the swap successfully. Null if no allowance is required",
                              "nullable": true
                            },
                            "balance": {
                              "type": "object",
                              "properties": {
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The contract address of the `sellToken`"
                                },
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The current balance of the `sellToken` in the `taker` address"
                                },
                                "expected": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The balance of the `sellToken` required for the swap to execute successfully"
                                }
                              },
                              "required": ["token", "actual", "expected"],
                              "additionalProperties": false,
                              "description": "Details of balance of the `sellToken` that the `taker` must hold. Null if the `taker` has sufficient balance",
                              "nullable": true
                            },
                            "simulationIncomplete": {
                              "type": "boolean",
                              "description": "This is set to `true` when 0x cannot validate the transaction. This happens when the `taker` has an insufficient balance of the `sellToken` and 0x is unable to peform ehanced quote validation with the low balance. Note that this does not necessarily mean that the trade will revert"
                            },
                            "invalidSourcesPassed": {
                              "type": "array",
                              "items": { "type": "string" },
                              "description": "A list of invalid sources present in `excludedSources` request. See `https://api.0x.org/sources?chainId=` with the desired chain's ID for the list of valid sources"
                            }
                          },
                          "required": [
                            "allowance",
                            "balance",
                            "simulationIncomplete",
                            "invalidSourcesPassed"
                          ],
                          "additionalProperties": false,
                          "description": "An object containing potential issues discovered during 0x validation that can prevent the swap from being executed successfully by the `taker`"
                        },
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [true],
                          "description": "This validates the availability of liquidity for the quote requested. The rest of the fields will only be returned if `true`"
                        },
                        "minBuyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The price which must be met or else the entire transaction will revert. This price is influenced by the `slippageBps` parameter. On-chain sources may encounter price movements from quote to settlement"
                        },
                        "route": {
                          "type": "object",
                          "properties": {
                            "fills": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "from": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the input token"
                                  },
                                  "to": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the output token"
                                  },
                                  "source": {
                                    "type": "string",
                                    "description": "The liquidity source used in the route"
                                  },
                                  "proportionBps": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The proportion of the trade to be filled by the `source`"
                                  }
                                },
                                "required": [
                                  "from",
                                  "to",
                                  "source",
                                  "proportionBps"
                                ],
                                "additionalProperties": false
                              },
                              "description": "Details of each segment that 0x routes the swap through"
                            },
                            "tokens": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "address": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The token address. This is the unique identifier of the token"
                                  },
                                  "symbol": {
                                    "type": "string",
                                    "description": "The token symbol. This is not guaranteed to be unique, as multiple tokens can have the same symbol"
                                  }
                                },
                                "required": ["address", "symbol"],
                                "additionalProperties": false,
                                "description": "Properties of the tokens involved in the swap"
                              },
                              "description": "Properties of the tokens involved in the swap"
                            }
                          },
                          "required": ["fills", "tokens"],
                          "additionalProperties": false,
                          "description": "The path of liquidity sources to be used in executing this swap"
                        },
                        "sellAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `sellToken` (in `sellToken` units) that will be sold in this swap"
                        },
                        "sellToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to sell in the swap"
                        },
                        "tokenMetadata": {
                          "type": "object",
                          "properties": {
                            "buyToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the buy token"
                            },
                            "sellToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the sell token"
                            }
                          },
                          "required": ["buyToken", "sellToken"],
                          "additionalProperties": false,
                          "description": "Swap-related metadata for the buy and sell token in the swap"
                        },
                        "totalNetworkFee": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "nullable": true,
                          "description": "The estimated total network cost of the swap. On chains where there is no L1 data cost, it is calculated as `gas` * `gasPrice`. On chains where there is an L1 data cost, it is calculated as `gas` * `gasPrice` + L1 data cost."
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": [
                        "allowanceTarget",
                        "blockNumber",
                        "buyAmount",
                        "buyToken",
                        "fees",
                        "gas",
                        "gasPrice",
                        "issues",
                        "liquidityAvailable",
                        "minBuyAmount",
                        "route",
                        "sellAmount",
                        "sellToken",
                        "tokenMetadata",
                        "totalNetworkFee",
                        "zid"
                      ],
                      "additionalProperties": false
                    },
                    {
                      "type": "object",
                      "properties": {
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [false],
                          "description": "This validates the availability of liquidity for the quote requested. No other fields will be returned if it is `false`"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": ["liquidityAvailable", "zid"],
                      "additionalProperties": false
                    }
                  ]
                },
                "example": {
                  "allowanceTarget": "0x000000000022d473030f116ddee9f6b43ac78ba3",
                  "blockNumber": "20114676",
                  "buyAmount": "100032748",
                  "buyToken": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                  "fees": {
                    "integratorFee": null,
                    "zeroExFee": null,
                    "gasFee": null
                  },
                  "gas": "288095",
                  "gasPrice": "7062490000",
                  "issues": {
                    "allowance": {
                      "actual": "0",
                      "spender": "0x0000000000001ff3684f28c67538d4d072c22734"
                    },
                    "balance": {
                      "token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                      "actual": "0",
                      "expected": "100000000"
                    },
                    "simulationIncomplete": false,
                    "invalidSourcesPassed": []
                  },
                  "liquidityAvailable": true,
                  "minBuyAmount": "99032421",
                  "route": {
                    "fills": [
                      {
                        "from": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "source": "SolidlyV3",
                        "proportionBps": "10000"
                      }
                    ],
                    "tokens": [
                      {
                        "address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "symbol": "USDC"
                      },
                      {
                        "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "symbol": "USDT"
                      }
                    ]
                  },
                  "sellAmount": "100000000",
                  "sellToken": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                  "tokenMetadata": {
                    "buyToken": { "buyTaxBps": "0", "sellTaxBps": "0" },
                    "sellToken": { "buyTaxBps": "0", "sellTaxBps": "0" }
                  },
                  "totalNetworkFee": "2034668056550000",
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INPUT_INVALID" },
                    { "$ref": "#/components/schemas/RECIPIENT_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/SWAP_VALIDATION_FAILED" },
                    { "$ref": "#/components/schemas/TOKEN_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/USER_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "403": {
            "description": "403 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/TAKER_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/RECIPIENT_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    { "$ref": "#/components/schemas/XSTOCKS_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "422": {
            "description": "422 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/BUY_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/SELL_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    }
                  ]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/swap/allowance-holder/quote": {
      "get": {
        "operationId": "swap::allowanceHolder::getQuote",
        "summary": "getQuote (Allowance Holder)",
        "description": "Get the firm quote for a swap using Allowance Holder to set allowances",
        "tags": ["Swap"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "chainId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
            "example": 1
          },
          {
            "name": "buyToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to buy",
            "example": "0xdac17f958d2ee523a2206206994597c13d831ec7"
          },
          {
            "name": "sellToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to sell",
            "example": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
          },
          {
            "name": "sellAmount",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "description": "The amount of `sellToken` in `sellToken` base units to sell",
            "example": "100000000"
          },
          {
            "name": "taker",
            "in": "query",
            "required": true,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address which holds the `sellToken` balance and has the allowance set for the swap",
            "example": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e"
          },
          {
            "name": "txOrigin",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address of the external account that started the transaction. This is only needed if `taker` is a smart contract."
          },
          {
            "name": "recipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive the `buyToken`. If not provided, defaults to the taker address. Not supported for wrap/unwrap operations."
          },
          {
            "name": "swapFeeRecipient",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x[a-fA-F0-9]{40}(\\s*,\\s*0x[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The wallet address to receive the specified trading fees (supports single or multiple comma-separated values). You must also specify the `swapFeeBps` in the request to use this feature. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "swapFeeBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*\\d+(\\s*,\\s*\\d+)*\\s*$"
            },
            "description": "The amount in Bps of the `swapFeeToken` to charge and deliver to the `swapFeeRecipient` (supports single or multiple comma-separated values). You must also specify the `swapFeeRecipient` in the request to use this feature. For security, this field has a default limit of 1000 Bps. If your application requires a higher value, please reach out to us."
          },
          {
            "name": "swapFeeToken",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x(?!0{40})[a-fA-F0-9]{40}(\\s*,\\s*0x(?!0{40})[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The contract address of the token to receive trading fees in (supports single or multiple comma-separated values). Each token must be set to the value of either the `buyToken` or the `sellToken`. If omitted, the fee token will be determined by 0x with preference to stablecoins and highly liquid assets. You must also specify the `swapFeeRecipient` and `swapFeeBps` to charge integrator fees. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "tradeSurplusRecipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive any trade surplus. If specified, this address will receive trade surplus when applicable. Otherwise, the taker will receive the surplus. This feature is only available to selected integrators on a custom pricing plan. In other cases, the surplus will be collected by 0x. For assistance with a custom plan, please contact support."
          },
          {
            "name": "tradeSurplusMaxBps",
            "in": "query",
            "required": false,
            "schema": { "type": "integer", "minimum": 1, "maximum": 10000 },
            "description": "The maximum trade surplus (positive slippage) that can be collected in Bps of the buy amount. If not provided, defaults to 10000 (100%). Must be used together with `tradeSurplusRecipient`."
          },
          {
            "name": "gasPrice",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "The target gas price (in wei) for the swap transaction. If not provided, the default value is based on the 0x gas price oracle"
          },
          {
            "name": "slippageBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "minimum": 0,
              "maximum": 10000,
              "default": 100
            },
            "description": "The maximum acceptable slippage of the `buyToken` in Bps. If this parameter is set to 0, no slippage will be tolerated. If not provided, the default slippage tolerance is 100Bps"
          },
          {
            "name": "excludedSources",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "Liquidity sources e.g. Uniswap_V3, SushiSwap, 0x_RFQ to exclude from the provided quote. `See https://api.0x.org/sources?chainId=<chain_id>` with the desired chain's ID for a full list of sources. Separate multiple sources with a comma"
          },
          {
            "name": "sellEntireBalance",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "enum": ["true", "false"],
              "default": "false"
            },
            "description": "If set to `true`, the taker's entire `sellToken` balance will be sold during trade execution. The `sellAmount` should be the maximum estimated value, as close as possible to the actual taker's balance to ensure the best routing. Selling more than the `sellAmount` may cause the trade to revert. This feature is designed for cases where the precise sell amount is determined during execution. Learn more [here](https://docs.0x.org/docs/0x-swap-api/additional-topics/sell-entire-balance)."
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "type": "object",
                      "properties": {
                        "allowanceTarget": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "nullable": true,
                          "description": "The target contract address for which the `taker` needs to have an allowance in order to be able to complete the swap. For swaps with the native asset (ie \"ETH\" or \"BNB\") as the `sellToken`, wrapping the native asset (i.e. \"ETH\" to \"WETH\") or unwrapping, no allowance is needed"
                        },
                        "blockNumber": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The block number at which the liquidity sources were sampled to generate the quote. This indicates the freshness of the quote"
                        },
                        "buyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `buyToken` (in `buyToken` units) that will be bought in the swap"
                        },
                        "buyToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to buy in the swap"
                        },
                        "fees": {
                          "type": "object",
                          "properties": {
                            "integratorFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the integrator fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the integrator fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The specified fee to charge and deliver to the `swapFeeRecipient`."
                            },
                            "integratorFees": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "amount": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The amount of token charged as the integrator fee"
                                  },
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The address of the token charged as the integrator fee"
                                  },
                                  "type": {
                                    "type": "string",
                                    "enum": ["volume"]
                                  }
                                },
                                "required": ["amount", "token", "type"],
                                "additionalProperties": false
                              },
                              "nullable": true,
                              "description": "The specified fees to charge and deliver to the `swapFeesRecipient`."
                            },
                            "zeroExFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the 0x fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the 0x fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The fee charged by 0x for the trade."
                            },
                            "gasFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the gas fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the gas fee"
                                },
                                "type": { "type": "string", "enum": ["gas"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The gas fee to be used in submitting the transaction."
                            }
                          },
                          "required": [
                            "integratorFee",
                            "integratorFees",
                            "zeroExFee",
                            "gasFee"
                          ],
                          "additionalProperties": false
                        },
                        "issues": {
                          "type": "object",
                          "properties": {
                            "allowance": {
                              "type": "object",
                              "properties": {
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The `taker`'s current allowance of the `spender`"
                                },
                                "spender": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address to set the allowance on"
                                }
                              },
                              "required": ["actual", "spender"],
                              "additionalProperties": false,
                              "description": "Details of allowances that the `taker` must set for in order to execute the swap successfully. Null if no allowance is required",
                              "nullable": true
                            },
                            "balance": {
                              "type": "object",
                              "properties": {
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The contract address of the `sellToken`"
                                },
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The current balance of the `sellToken` in the `taker` address"
                                },
                                "expected": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The balance of the `sellToken` required for the swap to execute successfully"
                                }
                              },
                              "required": ["token", "actual", "expected"],
                              "additionalProperties": false,
                              "description": "Details of balance of the `sellToken` that the `taker` must hold. Null if the `taker` has sufficient balance",
                              "nullable": true
                            },
                            "simulationIncomplete": {
                              "type": "boolean",
                              "description": "This is set to `true` when 0x cannot validate the transaction. This happens when the `taker` has an insufficient balance of the `sellToken` and 0x is unable to peform ehanced quote validation with the low balance. Note that this does not necessarily mean that the trade will revert"
                            },
                            "invalidSourcesPassed": {
                              "type": "array",
                              "items": { "type": "string" },
                              "description": "A list of invalid sources present in `excludedSources` request. See `https://api.0x.org/sources?chainId=` with the desired chain's ID for the list of valid sources"
                            }
                          },
                          "required": [
                            "allowance",
                            "balance",
                            "simulationIncomplete",
                            "invalidSourcesPassed"
                          ],
                          "additionalProperties": false,
                          "description": "An object containing potential issues discovered during 0x validation that can prevent the swap from being executed successfully by the `taker`"
                        },
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [true],
                          "description": "This validates the availability of liquidity for the quote requested. The rest of the fields will only be returned if `true`"
                        },
                        "minBuyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The price which must be met or else the transaction will revert. This price is influenced by the `slippageBps` parameter. On-chain sources may encounter price movements from quote to settlement"
                        },
                        "route": {
                          "type": "object",
                          "properties": {
                            "fills": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "from": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the input token"
                                  },
                                  "to": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the output token"
                                  },
                                  "source": {
                                    "type": "string",
                                    "description": "The liquidity source used in the route"
                                  },
                                  "proportionBps": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The proportion of the trade to be filled by the `source`"
                                  }
                                },
                                "required": [
                                  "from",
                                  "to",
                                  "source",
                                  "proportionBps"
                                ],
                                "additionalProperties": false
                              },
                              "description": "Details of each segment that 0x routes the swap through"
                            },
                            "tokens": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "address": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The token address. This is the unique identifier of the token"
                                  },
                                  "symbol": {
                                    "type": "string",
                                    "description": "The token symbol. This is not guaranteed to be unique, as multiple tokens can have the same symbol"
                                  }
                                },
                                "required": ["address", "symbol"],
                                "additionalProperties": false,
                                "description": "Properties of the tokens involved in the swap"
                              },
                              "description": "Properties of the tokens involved in the swap"
                            }
                          },
                          "required": ["fills", "tokens"],
                          "additionalProperties": false,
                          "description": "The path of liquidity sources to be used in executing this swap"
                        },
                        "sellAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `sellToken` (in `sellToken` units) that will be sold in this swap"
                        },
                        "sellToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to sell in the swap"
                        },
                        "tokenMetadata": {
                          "type": "object",
                          "properties": {
                            "buyToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the buy token"
                            },
                            "sellToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the sell token"
                            }
                          },
                          "required": ["buyToken", "sellToken"],
                          "additionalProperties": false,
                          "description": "Swap-related metadata for the buy and sell token in the swap"
                        },
                        "totalNetworkFee": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "nullable": true,
                          "description": "The estimated total network cost of the swap. On chains where there is no L1 data cost, it is calculated as `gas` * `gasPrice`. On chains where there is an L1 data cost, it is calculated as `gas` * `gasPrice` + L1 data cost."
                        },
                        "transaction": {
                          "type": "object",
                          "properties": {
                            "to": {
                              "type": "string",
                              "pattern": "^0x[a-fA-F0-9]{40}$",
                              "description": "The address of the target contract to send call `data` to. Do NOT use this field when setting token allowances — doing so can result in lost funds. Always use `issues.allowance.spender` or `allowanceTarget` for setting allowances."
                            },
                            "data": {
                              "type": "string",
                              "description": "The calldata containing transaction execution details to be sent to the `to` address"
                            },
                            "gas": {
                              "allOf": [
                                {},
                                {
                                  "type": "string",
                                  "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                }
                              ],
                              "nullable": true,
                              "description": "The estimated gas limit that should be used to send the transaction to guarantee settlement"
                            },
                            "gasPrice": {
                              "allOf": [
                                {},
                                {
                                  "type": "string",
                                  "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                }
                              ],
                              "description": "The gas price (in wei) that should be used to send the transaction"
                            },
                            "value": {
                              "allOf": [
                                {},
                                {
                                  "type": "string",
                                  "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                }
                              ],
                              "description": "The amount of ether (in wei) that should be sent with the transaction"
                            }
                          },
                          "required": [
                            "to",
                            "data",
                            "gas",
                            "gasPrice",
                            "value"
                          ],
                          "additionalProperties": false,
                          "description": "This object contains the details required to submit the transaction"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": [
                        "allowanceTarget",
                        "blockNumber",
                        "buyAmount",
                        "buyToken",
                        "fees",
                        "issues",
                        "liquidityAvailable",
                        "minBuyAmount",
                        "route",
                        "sellAmount",
                        "sellToken",
                        "tokenMetadata",
                        "totalNetworkFee",
                        "transaction",
                        "zid"
                      ],
                      "additionalProperties": false
                    },
                    {
                      "type": "object",
                      "properties": {
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [false],
                          "description": "This validates the availability of liquidity for the quote requested. No other fields will be returned if it is `false`"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": ["liquidityAvailable", "zid"],
                      "additionalProperties": false
                    }
                  ]
                },
                "example": {
                  "allowanceTarget": "0x000000000022d473030f116ddee9f6b43ac78ba3",
                  "blockNumber": "20114692",
                  "buyAmount": "100037537",
                  "buyToken": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                  "fees": {
                    "integratorFee": null,
                    "zeroExFee": null,
                    "gasFee": null
                  },
                  "issues": {
                    "allowance": {
                      "actual": "0",
                      "spender": "0x0000000000001ff3684f28c67538d4d072c22734"
                    },
                    "balance": {
                      "token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                      "actual": "0",
                      "expected": "100000000"
                    },
                    "simulationIncomplete": false,
                    "invalidSourcesPassed": []
                  },
                  "liquidityAvailable": true,
                  "minBuyAmount": "99037162",
                  "route": {
                    "fills": [
                      {
                        "from": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "source": "SolidlyV3",
                        "proportionBps": "10000"
                      }
                    ],
                    "tokens": [
                      {
                        "address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "symbol": "USDC"
                      },
                      {
                        "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "symbol": "USDT"
                      }
                    ]
                  },
                  "sellAmount": "100000000",
                  "sellToken": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                  "tokenMetadata": {
                    "buyToken": { "buyTaxBps": "0", "sellTaxBps": "0" },
                    "sellToken": { "buyTaxBps": "0", "sellTaxBps": "0" }
                  },
                  "totalNetworkFee": "1393685870940000",
                  "transaction": {
                    "to": "0x7f6cee965959295cc64d0e6c00d99d6532d8e86b",
                    "data": "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",
                    "gas": "288079",
                    "gasPrice": "4837860000",
                    "value": "0"
                  },
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INPUT_INVALID" },
                    { "$ref": "#/components/schemas/RECIPIENT_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/SWAP_VALIDATION_FAILED" },
                    { "$ref": "#/components/schemas/TOKEN_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/USER_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "403": {
            "description": "403 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/TAKER_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/RECIPIENT_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    { "$ref": "#/components/schemas/XSTOCKS_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "422": {
            "description": "422 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/BUY_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/SELL_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    }
                  ]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/swap/permit2/price": {
      "get": {
        "operationId": "swap::permit2::getPrice",
        "summary": "getPrice (Permit2)",
        "description": "Get the indicative price for a swap using Permit2 to set allowances",
        "tags": ["Swap"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "chainId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
            "example": 1
          },
          {
            "name": "buyToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to buy",
            "example": "0xdac17f958d2ee523a2206206994597c13d831ec7"
          },
          {
            "name": "sellToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to sell",
            "example": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
          },
          {
            "name": "sellAmount",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "description": "The amount of `sellToken` in `sellToken` base units to sell",
            "example": "100000000"
          },
          {
            "name": "taker",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address which holds the `sellToken` balance and has the allowance set for the swap",
            "example": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e"
          },
          {
            "name": "txOrigin",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address of the external account that started the transaction. This is only needed if `taker` is a smart contract."
          },
          {
            "name": "recipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive the `buyToken`. If not provided, defaults to the taker address. Not supported for wrap/unwrap operations."
          },
          {
            "name": "swapFeeRecipient",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x[a-fA-F0-9]{40}(\\s*,\\s*0x[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The wallet address to receive the specified trading fees (supports single or multiple comma-separated values). You must also specify the `swapFeeBps` in the request to use this feature. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "swapFeeBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*\\d+(\\s*,\\s*\\d+)*\\s*$"
            },
            "description": "The amount in Bps of the `swapFeeToken` to charge and deliver to the `swapFeeRecipient` (supports single or multiple comma-separated values). You must also specify the `swapFeeRecipient` in the request to use this feature. For security, this field has a default limit of 1000 Bps. If your application requires a higher value, please reach out to us."
          },
          {
            "name": "swapFeeToken",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x(?!0{40})[a-fA-F0-9]{40}(\\s*,\\s*0x(?!0{40})[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The contract address of the token to receive trading fees in (supports single or multiple comma-separated values). Each token must be set to the value of either the `buyToken` or the `sellToken`. If omitted, the fee token will be determined by 0x with preference to stablecoins and highly liquid assets. You must also specify the `swapFeeRecipient` and `swapFeeBps` to charge integrator fees. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "tradeSurplusRecipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive any trade surplus. If specified, this address will receive trade surplus when applicable. Otherwise, the taker will receive the surplus. This feature is only available to selected integrators on a custom pricing plan. In other cases, the surplus will be collected by 0x. For assistance with a custom plan, please contact support."
          },
          {
            "name": "tradeSurplusMaxBps",
            "in": "query",
            "required": false,
            "schema": { "type": "integer", "minimum": 1, "maximum": 10000 },
            "description": "The maximum trade surplus (positive slippage) that can be collected in Bps of the buy amount. If not provided, defaults to 10000 (100%). Must be used together with `tradeSurplusRecipient`."
          },
          {
            "name": "gasPrice",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "The target gas price (in wei) for the swap transaction. If not provided, the default value is based on the 0x gas price oracle"
          },
          {
            "name": "slippageBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "minimum": 0,
              "maximum": 10000,
              "default": 100
            },
            "description": "The maximum acceptable slippage of the `buyToken` in Bps. If this parameter is set to 0, no slippage will be tolerated. If not provided, the default slippage tolerance is 100Bps"
          },
          {
            "name": "excludedSources",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "Liquidity sources e.g. Uniswap_V3, SushiSwap, 0x_RFQ to exclude from the provided quote. See https://api.0x.org/sources?chainId=<chain_id> with the desired chain's ID for a full list of sources. Separate multiple sources with a comma"
          },
          {
            "name": "sellEntireBalance",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "enum": ["true", "false"],
              "default": "false"
            },
            "description": "If set to `true`, the taker's entire `sellToken` balance will be sold during trade execution. The `sellAmount` should be the maximum estimated value, as close as possible to the actual taker's balance to ensure the best routing. Selling more than the `sellAmount` may cause the trade to revert. This feature is designed for cases where the precise sell amount is determined during execution. Learn more [here](https://docs.0x.org/docs/0x-swap-api/additional-topics/sell-entire-balance)."
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "type": "object",
                      "properties": {
                        "allowanceTarget": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "nullable": true,
                          "description": "The target contract address for which the `taker` needs to have an allowance in order to be able to complete the swap. For swaps with the native asset (ie \"ETH\" or \"BNB\") as the `sellToken`, wrapping the native asset (i.e. \"ETH\" to \"WETH\") or unwrapping, no allowance is needed"
                        },
                        "blockNumber": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The block number at which the liquidity sources were sampled to generate the quote. This indicates the freshness of the quote"
                        },
                        "buyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `buyToken` (in `buyToken` units) that will be bought in the swap"
                        },
                        "buyToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to buy in the swap"
                        },
                        "fees": {
                          "type": "object",
                          "properties": {
                            "integratorFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the integrator fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the integrator fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The specified fee to charge and deliver to the `swapFeeRecipient`."
                            },
                            "integratorFees": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "amount": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The amount of token charged as the integrator fee"
                                  },
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The address of the token charged as the integrator fee"
                                  },
                                  "type": {
                                    "type": "string",
                                    "enum": ["volume"]
                                  }
                                },
                                "required": ["amount", "token", "type"],
                                "additionalProperties": false
                              },
                              "nullable": true,
                              "description": "The specified fees to charge and deliver to the `swapFeesRecipient`."
                            },
                            "zeroExFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the 0x fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the 0x fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The fee charged by 0x for the trade."
                            },
                            "gasFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the gas fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the gas fee"
                                },
                                "type": { "type": "string", "enum": ["gas"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The gas fee to be used in submitting the transaction."
                            }
                          },
                          "required": [
                            "integratorFee",
                            "integratorFees",
                            "zeroExFee",
                            "gasFee"
                          ],
                          "additionalProperties": false,
                          "description": "Fees to be deducted in this transaction. It contains the `integratorFee`, `zeroExFee` and `gasFee`"
                        },
                        "gas": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "nullable": true,
                          "description": "The estimated gas limit that should be used to send the transaction to guarantee settlement"
                        },
                        "gasPrice": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The gas price (in wei) that should be used to send the transaction. The transaction needs to be sent with this `gasPrice` for the transaction to be successful"
                        },
                        "issues": {
                          "type": "object",
                          "properties": {
                            "allowance": {
                              "type": "object",
                              "properties": {
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The `taker`'s current allowance of the `spender`"
                                },
                                "spender": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address to set the allowance on"
                                }
                              },
                              "required": ["actual", "spender"],
                              "additionalProperties": false,
                              "description": "Details of allowances that the `taker` must set for in order to execute the swap successfully. Null if no allowance is required",
                              "nullable": true
                            },
                            "balance": {
                              "type": "object",
                              "properties": {
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The contract address of the `sellToken`"
                                },
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The current balance of the `sellToken` in the `taker` address"
                                },
                                "expected": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The balance of the `sellToken` required for the swap to execute successfully"
                                }
                              },
                              "required": ["token", "actual", "expected"],
                              "additionalProperties": false,
                              "description": "Details of balance of the `sellToken` that the `taker` must hold. Null if the `taker` has sufficient balance",
                              "nullable": true
                            },
                            "simulationIncomplete": {
                              "type": "boolean",
                              "description": "This is set to `true` when 0x cannot validate the transaction. This happens when the `taker` has an insufficient balance of the `sellToken` and 0x is unable to peform ehanced quote validation with the low balance. Note that this does not necessarily mean that the trade will revert"
                            },
                            "invalidSourcesPassed": {
                              "type": "array",
                              "items": { "type": "string" },
                              "description": "A list of invalid sources present in `excludedSources` request. See `https://api.0x.org/sources?chainId=` with the desired chain's ID for the list of valid sources"
                            }
                          },
                          "required": [
                            "allowance",
                            "balance",
                            "simulationIncomplete",
                            "invalidSourcesPassed"
                          ],
                          "additionalProperties": false,
                          "description": "An object containing potential issues discovered during 0x validation that can prevent the swap from being executed successfully by the `taker`"
                        },
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [true],
                          "description": "This validates the availability of liquidity for the quote requested. The rest of the fields will only be returned if `true`"
                        },
                        "minBuyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The price which must be met or else the entire transaction will revert. This price is influenced by the `slippageBps` parameter. On-chain sources may encounter price movements from quote to settlement"
                        },
                        "route": {
                          "type": "object",
                          "properties": {
                            "fills": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "from": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the input token"
                                  },
                                  "to": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the output token"
                                  },
                                  "source": {
                                    "type": "string",
                                    "description": "The liquidity source used in the route"
                                  },
                                  "proportionBps": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The proportion of the trade to be filled by the `source`"
                                  }
                                },
                                "required": [
                                  "from",
                                  "to",
                                  "source",
                                  "proportionBps"
                                ],
                                "additionalProperties": false
                              },
                              "description": "Details of each segment that 0x routes the swap through"
                            },
                            "tokens": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "address": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The token address. This is the unique identifier of the token"
                                  },
                                  "symbol": {
                                    "type": "string",
                                    "description": "The token symbol. This is not guaranteed to be unique, as multiple tokens can have the same symbol"
                                  }
                                },
                                "required": ["address", "symbol"],
                                "additionalProperties": false,
                                "description": "Properties of the tokens involved in the swap"
                              },
                              "description": "Properties of the tokens involved in the swap"
                            }
                          },
                          "required": ["fills", "tokens"],
                          "additionalProperties": false,
                          "description": "The path of liquidity sources to be used in executing this swap"
                        },
                        "sellAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `sellToken` (in `sellToken` units) that will be sold in this swap"
                        },
                        "sellToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to sell in the swap"
                        },
                        "tokenMetadata": {
                          "type": "object",
                          "properties": {
                            "buyToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the buy token"
                            },
                            "sellToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the sell token"
                            }
                          },
                          "required": ["buyToken", "sellToken"],
                          "additionalProperties": false,
                          "description": "Swap-related metadata for the buy and sell token in the swap"
                        },
                        "totalNetworkFee": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "nullable": true,
                          "description": "The estimated total network cost of the swap. On chains where there is no L1 data cost, it is calculated as `gas` * `gasPrice`. On chains where there is an L1 data cost, it is calculated as `gas` * `gasPrice` + L1 data cost."
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": [
                        "allowanceTarget",
                        "blockNumber",
                        "buyAmount",
                        "buyToken",
                        "fees",
                        "gas",
                        "gasPrice",
                        "issues",
                        "liquidityAvailable",
                        "minBuyAmount",
                        "route",
                        "sellAmount",
                        "sellToken",
                        "tokenMetadata",
                        "totalNetworkFee",
                        "zid"
                      ],
                      "additionalProperties": false
                    },
                    {
                      "type": "object",
                      "properties": {
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [false],
                          "description": "This validates the availability of liquidity for the quote requested. No other fields will be returned if it is `false`"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": ["liquidityAvailable", "zid"],
                      "additionalProperties": false
                    }
                  ]
                },
                "example": {
                  "allowanceTarget": "0x000000000022d473030f116ddee9f6b43ac78ba3",
                  "blockNumber": "20114676",
                  "buyAmount": "100032748",
                  "buyToken": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                  "fees": {
                    "integratorFee": null,
                    "zeroExFee": null,
                    "gasFee": null
                  },
                  "gas": "288095",
                  "gasPrice": "7062490000",
                  "issues": {
                    "allowance": {
                      "actual": "0",
                      "spender": "0x000000000022d473030f116ddee9f6b43ac78ba3"
                    },
                    "balance": {
                      "token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                      "actual": "0",
                      "expected": "100000000"
                    },
                    "simulationIncomplete": false,
                    "invalidSourcesPassed": []
                  },
                  "liquidityAvailable": true,
                  "minBuyAmount": "99032421",
                  "route": {
                    "fills": [
                      {
                        "from": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "source": "SolidlyV3",
                        "proportionBps": "10000"
                      }
                    ],
                    "tokens": [
                      {
                        "address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "symbol": "USDC"
                      },
                      {
                        "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "symbol": "USDT"
                      }
                    ]
                  },
                  "sellAmount": "100000000",
                  "sellToken": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                  "tokenMetadata": {
                    "buyToken": { "buyTaxBps": "0", "sellTaxBps": "0" },
                    "sellToken": { "buyTaxBps": "0", "sellTaxBps": "0" }
                  },
                  "totalNetworkFee": "2034668056550000",
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INPUT_INVALID" },
                    { "$ref": "#/components/schemas/RECIPIENT_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/SWAP_VALIDATION_FAILED" },
                    { "$ref": "#/components/schemas/TOKEN_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/USER_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "403": {
            "description": "403 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/TAKER_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/RECIPIENT_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    { "$ref": "#/components/schemas/XSTOCKS_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "422": {
            "description": "422 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/BUY_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/SELL_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    }
                  ]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/swap/permit2/quote": {
      "get": {
        "operationId": "swap::permit2::getQuote",
        "summary": "getQuote (Permit2)",
        "description": "Get the firm quote for a swap using Permit2 to set allowances",
        "tags": ["Swap"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "chainId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
            "example": 1
          },
          {
            "name": "buyToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to buy",
            "example": "0xdac17f958d2ee523a2206206994597c13d831ec7"
          },
          {
            "name": "sellToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to sell",
            "example": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
          },
          {
            "name": "sellAmount",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "description": "The amount of `sellToken` in `sellToken` base units to sell",
            "example": "100000000"
          },
          {
            "name": "taker",
            "in": "query",
            "required": true,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address which holds the `sellToken` balance and has the allowance set for the swap",
            "example": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e"
          },
          {
            "name": "txOrigin",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address of the external account that started the transaction. This is only needed if `taker` is a smart contract."
          },
          {
            "name": "recipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive the `buyToken`. If not provided, defaults to the taker address. Not supported for wrap/unwrap operations."
          },
          {
            "name": "swapFeeRecipient",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x[a-fA-F0-9]{40}(\\s*,\\s*0x[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The wallet address to receive the specified trading fees (supports single or multiple comma-separated values). You must also specify the `swapFeeBps` in the request to use this feature. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "swapFeeBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*\\d+(\\s*,\\s*\\d+)*\\s*$"
            },
            "description": "The amount in Bps of the `swapFeeToken` to charge and deliver to the `swapFeeRecipient` (supports single or multiple comma-separated values). You must also specify the `swapFeeRecipient` in the request to use this feature. For security, this field has a default limit of 1000 Bps. If your application requires a higher value, please reach out to us."
          },
          {
            "name": "swapFeeToken",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x(?!0{40})[a-fA-F0-9]{40}(\\s*,\\s*0x(?!0{40})[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The contract address of the token to receive trading fees in (supports single or multiple comma-separated values). Each token must be set to the value of either the `buyToken` or the `sellToken`. If omitted, the fee token will be determined by 0x with preference to stablecoins and highly liquid assets. You must also specify the `swapFeeRecipient` and `swapFeeBps` to charge integrator fees. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "tradeSurplusRecipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive any trade surplus. If specified, this address will receive trade surplus when applicable. Otherwise, the taker will receive the surplus. This feature is only available to selected integrators on a custom pricing plan. In other cases, the surplus will be collected by 0x. For assistance with a custom plan, please contact support."
          },
          {
            "name": "tradeSurplusMaxBps",
            "in": "query",
            "required": false,
            "schema": { "type": "integer", "minimum": 1, "maximum": 10000 },
            "description": "The maximum trade surplus (positive slippage) that can be collected in Bps of the buy amount. If not provided, defaults to 10000 (100%). Must be used together with `tradeSurplusRecipient`."
          },
          {
            "name": "gasPrice",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "The target gas price (in wei) for the swap transaction. If not provided, the default value is based on the 0x gas price oracle"
          },
          {
            "name": "slippageBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "minimum": 0,
              "maximum": 10000,
              "default": 100
            },
            "description": "The maximum acceptable slippage of the `buyToken` in Bps. If this parameter is set to 0, no slippage will be tolerated. If not provided, the default slippage tolerance is 100Bps"
          },
          {
            "name": "excludedSources",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "Liquidity sources e.g. Uniswap_V3, SushiSwap, 0x_RFQ to exclude from the provided quote. `See https://api.0x.org/sources?chainId=<chain_id>` with the desired chain's ID for a full list of sources. Separate multiple sources with a comma"
          },
          {
            "name": "sellEntireBalance",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "enum": ["true", "false"],
              "default": "false"
            },
            "description": "If set to `true`, the taker's entire `sellToken` balance will be sold during trade execution. The `sellAmount` should be the maximum estimated value, as close as possible to the actual taker's balance to ensure the best routing. Selling more than the `sellAmount` may cause the trade to revert. This feature is designed for cases where the precise sell amount is determined during execution. Learn more [here](https://docs.0x.org/docs/0x-swap-api/additional-topics/sell-entire-balance)."
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "type": "object",
                      "properties": {
                        "allowanceTarget": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "nullable": true,
                          "description": "The target contract address for which the `taker` needs to have an allowance in order to be able to complete the swap. For swaps with the native asset (ie \"ETH\" or \"BNB\") as the `sellToken`, wrapping the native asset (i.e. \"ETH\" to \"WETH\") or unwrapping, no allowance is needed"
                        },
                        "blockNumber": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The block number at which the liquidity sources were sampled to generate the quote. This indicates the freshness of the quote"
                        },
                        "buyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `buyToken` (in `buyToken` units) that will be bought in the swap"
                        },
                        "buyToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to buy in the swap"
                        },
                        "fees": {
                          "type": "object",
                          "properties": {
                            "integratorFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the integrator fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the integrator fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The specified fee to charge and deliver to the `swapFeeRecipient`."
                            },
                            "integratorFees": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "amount": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The amount of token charged as the integrator fee"
                                  },
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The address of the token charged as the integrator fee"
                                  },
                                  "type": {
                                    "type": "string",
                                    "enum": ["volume"]
                                  }
                                },
                                "required": ["amount", "token", "type"],
                                "additionalProperties": false
                              },
                              "nullable": true,
                              "description": "The specified fees to charge and deliver to the `swapFeesRecipient`."
                            },
                            "zeroExFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the 0x fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the 0x fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The fee charged by 0x for the trade."
                            },
                            "gasFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the gas fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the gas fee"
                                },
                                "type": { "type": "string", "enum": ["gas"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The gas fee to be used in submitting the transaction."
                            }
                          },
                          "required": [
                            "integratorFee",
                            "integratorFees",
                            "zeroExFee",
                            "gasFee"
                          ],
                          "additionalProperties": false
                        },
                        "issues": {
                          "type": "object",
                          "properties": {
                            "allowance": {
                              "type": "object",
                              "properties": {
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The `taker`'s current allowance of the `spender`"
                                },
                                "spender": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address to set the allowance on"
                                }
                              },
                              "required": ["actual", "spender"],
                              "additionalProperties": false,
                              "description": "Details of allowances that the `taker` must set for in order to execute the swap successfully. Null if no allowance is required",
                              "nullable": true
                            },
                            "balance": {
                              "type": "object",
                              "properties": {
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The contract address of the `sellToken`"
                                },
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The current balance of the `sellToken` in the `taker` address"
                                },
                                "expected": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The balance of the `sellToken` required for the swap to execute successfully"
                                }
                              },
                              "required": ["token", "actual", "expected"],
                              "additionalProperties": false,
                              "description": "Details of balance of the `sellToken` that the `taker` must hold. Null if the `taker` has sufficient balance",
                              "nullable": true
                            },
                            "simulationIncomplete": {
                              "type": "boolean",
                              "description": "This is set to `true` when 0x cannot validate the transaction. This happens when the `taker` has an insufficient balance of the `sellToken` and 0x is unable to peform ehanced quote validation with the low balance. Note that this does not necessarily mean that the trade will revert"
                            },
                            "invalidSourcesPassed": {
                              "type": "array",
                              "items": { "type": "string" },
                              "description": "A list of invalid sources present in `excludedSources` request. See `https://api.0x.org/sources?chainId=` with the desired chain's ID for the list of valid sources"
                            }
                          },
                          "required": [
                            "allowance",
                            "balance",
                            "simulationIncomplete",
                            "invalidSourcesPassed"
                          ],
                          "additionalProperties": false,
                          "description": "An object containing potential issues discovered during 0x validation that can prevent the swap from being executed successfully by the `taker`"
                        },
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [true],
                          "description": "This validates the availability of liquidity for the quote requested. The rest of the fields will only be returned if `true`"
                        },
                        "minBuyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The price which must be met or else the transaction will revert. This price is influenced by the `slippageBps` parameter. On-chain sources may encounter price movements from quote to settlement"
                        },
                        "permit2": {
                          "type": "object",
                          "properties": {
                            "type": {
                              "type": "string",
                              "enum": ["Permit2"],
                              "description": "`Permit2`"
                            },
                            "hash": {
                              "type": "string",
                              "description": "The hash for the approval according to [EIP-712](https://eips.ethereum.org/EIPS/eip-712). If you compute the hash from eip712 field, it should match the value of this field"
                            },
                            "eip712": {
                              "type": "object",
                              "properties": {
                                "types": {
                                  "type": "object",
                                  "additionalProperties": {
                                    "type": "array",
                                    "items": {
                                      "type": "object",
                                      "properties": {
                                        "name": { "type": "string" },
                                        "type": { "type": "string" }
                                      },
                                      "required": ["name", "type"],
                                      "additionalProperties": false
                                    }
                                  }
                                },
                                "domain": {
                                  "type": "object",
                                  "properties": {
                                    "name": { "type": "string" },
                                    "version": { "type": "string" },
                                    "chainId": { "type": "number" },
                                    "verifyingContract": { "type": "string" },
                                    "salt": { "type": "string" }
                                  },
                                  "additionalProperties": false
                                },
                                "message": {
                                  "type": "object",
                                  "additionalProperties": {
                                    "anyOf": [
                                      { "type": "string" },
                                      {
                                        "type": "array",
                                        "items": { "type": "string" }
                                      },
                                      { "type": "number" },
                                      {
                                        "type": "array",
                                        "items": { "type": "number" }
                                      },
                                      { "type": "boolean" },
                                      {
                                        "type": "array",
                                        "items": { "type": "boolean" }
                                      },
                                      {},
                                      { "type": "array", "items": {} }
                                    ]
                                  }
                                },
                                "primaryType": { "type": "string" }
                              },
                              "required": [
                                "types",
                                "domain",
                                "message",
                                "primaryType"
                              ],
                              "additionalProperties": false,
                              "description": "Necessary data for [EIP-712](https://eips.ethereum.org/EIPS/eip-712)"
                            }
                          },
                          "required": ["type", "hash", "eip712"],
                          "additionalProperties": false,
                          "description": "This is the approval object which contains the necessary fields to submit an approval for this transaction. Null if sell token is the native token or the transaction is a native token wrap / unwrap",
                          "nullable": true
                        },
                        "route": {
                          "type": "object",
                          "properties": {
                            "fills": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "from": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the input token"
                                  },
                                  "to": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the output token"
                                  },
                                  "source": {
                                    "type": "string",
                                    "description": "The liquidity source used in the route"
                                  },
                                  "proportionBps": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The proportion of the trade to be filled by the `source`"
                                  }
                                },
                                "required": [
                                  "from",
                                  "to",
                                  "source",
                                  "proportionBps"
                                ],
                                "additionalProperties": false
                              },
                              "description": "Details of each segment that 0x routes the swap through"
                            },
                            "tokens": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "address": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The token address. This is the unique identifier of the token"
                                  },
                                  "symbol": {
                                    "type": "string",
                                    "description": "The token symbol. This is not guaranteed to be unique, as multiple tokens can have the same symbol"
                                  }
                                },
                                "required": ["address", "symbol"],
                                "additionalProperties": false,
                                "description": "Properties of the tokens involved in the swap"
                              },
                              "description": "Properties of the tokens involved in the swap"
                            }
                          },
                          "required": ["fills", "tokens"],
                          "additionalProperties": false,
                          "description": "The path of liquidity sources to be used in executing this swap"
                        },
                        "sellAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `sellToken` (in `sellToken` units) that will be sold in this swap"
                        },
                        "sellToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to sell in the swap"
                        },
                        "tokenMetadata": {
                          "type": "object",
                          "properties": {
                            "buyToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the buy token"
                            },
                            "sellToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the sell token"
                            }
                          },
                          "required": ["buyToken", "sellToken"],
                          "additionalProperties": false,
                          "description": "Swap-related metadata for the buy and sell token in the swap"
                        },
                        "totalNetworkFee": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "nullable": true,
                          "description": "The estimated total network cost of the swap. On chains where there is no L1 data cost, it is calculated as `gas` * `gasPrice. On chains where there is an L1 data cost, it is calculated as `gas` * `gasPrice + L1 data"
                        },
                        "transaction": {
                          "type": "object",
                          "properties": {
                            "to": {
                              "type": "string",
                              "pattern": "^0x[a-fA-F0-9]{40}$",
                              "description": "The address of the target contract to send call `data` to. Do NOT use this field when setting token allowances — doing so can result in lost funds. Always use `issues.allowance.spender` or `allowanceTarget` for setting allowances."
                            },
                            "data": {
                              "type": "string",
                              "description": "The calldata containing transaction execution details to be sent to the `to` address"
                            },
                            "gas": {
                              "allOf": [
                                {},
                                {
                                  "type": "string",
                                  "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                }
                              ],
                              "nullable": true,
                              "description": "The estimated gas limit that should be used to send the transaction to guarantee settlement"
                            },
                            "gasPrice": {
                              "allOf": [
                                {},
                                {
                                  "type": "string",
                                  "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                }
                              ],
                              "description": "The gas price (in wei) that should be used to send the transaction"
                            },
                            "value": {
                              "allOf": [
                                {},
                                {
                                  "type": "string",
                                  "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                }
                              ],
                              "description": "The amount of ether (in wei) that should be sent with the transaction"
                            }
                          },
                          "required": [
                            "to",
                            "data",
                            "gas",
                            "gasPrice",
                            "value"
                          ],
                          "additionalProperties": false,
                          "description": "This object contains the details required to submit the transaction"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": [
                        "allowanceTarget",
                        "blockNumber",
                        "buyAmount",
                        "buyToken",
                        "fees",
                        "issues",
                        "liquidityAvailable",
                        "minBuyAmount",
                        "permit2",
                        "route",
                        "sellAmount",
                        "sellToken",
                        "tokenMetadata",
                        "totalNetworkFee",
                        "transaction",
                        "zid"
                      ],
                      "additionalProperties": false
                    },
                    {
                      "type": "object",
                      "properties": {
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [false],
                          "description": "This validates the availability of liquidity for the quote requested. No other fields will be returned if it is `false`"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": ["liquidityAvailable", "zid"],
                      "additionalProperties": false
                    }
                  ]
                },
                "example": {
                  "allowanceTarget": "0x000000000022d473030f116ddee9f6b43ac78ba3",
                  "blockNumber": "20114692",
                  "buyAmount": "100037537",
                  "buyToken": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                  "fees": {
                    "integratorFee": null,
                    "zeroExFee": null,
                    "gasFee": null
                  },
                  "issues": {
                    "allowance": {
                      "actual": "0",
                      "spender": "0x000000000022d473030f116ddee9f6b43ac78ba3"
                    },
                    "balance": {
                      "token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                      "actual": "0",
                      "expected": "100000000"
                    },
                    "simulationIncomplete": false,
                    "invalidSourcesPassed": []
                  },
                  "liquidityAvailable": true,
                  "minBuyAmount": "99037162",
                  "permit2": {
                    "type": "Permit2",
                    "hash": "0xab0c8909f2f8daed2891abb5e93762c65787e0067ef2ab9184bb635ad0f3df51",
                    "eip712": {
                      "types": {
                        "PermitTransferFrom": [
                          { "name": "permitted", "type": "TokenPermissions" },
                          { "name": "spender", "type": "address" },
                          { "name": "nonce", "type": "uint256" },
                          { "name": "deadline", "type": "uint256" }
                        ],
                        "TokenPermissions": [
                          { "name": "token", "type": "address" },
                          { "name": "amount", "type": "uint256" }
                        ],
                        "EIP712Domain": [
                          { "name": "name", "type": "string" },
                          { "name": "chainId", "type": "uint256" },
                          { "name": "verifyingContract", "type": "address" }
                        ]
                      },
                      "domain": {
                        "name": "Permit2",
                        "chainId": 1,
                        "verifyingContract": "0x000000000022d473030f116ddee9f6b43ac78ba3"
                      },
                      "message": {
                        "permitted": {
                          "token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                          "amount": "100000000"
                        },
                        "spender": "0x7f6cee965959295cc64d0e6c00d99d6532d8e86b",
                        "nonce": "2241959297937691820908574931991575",
                        "deadline": "1718669420"
                      },
                      "primaryType": "PermitTransferFrom"
                    }
                  },
                  "route": {
                    "fills": [
                      {
                        "from": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "source": "SolidlyV3",
                        "proportionBps": "10000"
                      }
                    ],
                    "tokens": [
                      {
                        "address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "symbol": "USDC"
                      },
                      {
                        "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "symbol": "USDT"
                      }
                    ]
                  },
                  "sellAmount": "100000000",
                  "sellToken": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                  "tokenMetadata": {
                    "buyToken": { "buyTaxBps": "0", "sellTaxBps": "0" },
                    "sellToken": { "buyTaxBps": "0", "sellTaxBps": "0" }
                  },
                  "totalNetworkFee": "1393685870940000",
                  "transaction": {
                    "to": "0x7f6cee965959295cc64d0e6c00d99d6532d8e86b",
                    "data": "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",
                    "gas": "288079",
                    "gasPrice": "4837860000",
                    "value": "0"
                  },
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INPUT_INVALID" },
                    { "$ref": "#/components/schemas/RECIPIENT_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/SWAP_VALIDATION_FAILED" },
                    { "$ref": "#/components/schemas/TOKEN_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/USER_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "403": {
            "description": "403 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/TAKER_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/RECIPIENT_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    { "$ref": "#/components/schemas/XSTOCKS_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "422": {
            "description": "422 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/BUY_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/SELL_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    }
                  ]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/swap/chains": {
      "get": {
        "operationId": "swap::chains",
        "summary": "getChains",
        "description": "Get list of supported chains for swap",
        "tags": ["Swap"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "chains": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "chainId": { "type": "number" },
                          "chainName": { "type": "string" }
                        },
                        "required": ["chainId", "chainName"],
                        "additionalProperties": false
                      }
                    },
                    "zid": {
                      "type": "string",
                      "description": "The unique ZeroEx identifier of the request"
                    }
                  },
                  "required": ["chains", "zid"],
                  "additionalProperties": false
                },
                "example": [
                  { "chainName": "Ethereum", "chainId": "1" },
                  { "chainName": "Optimism", "chainId": "10" },
                  { "chainName": "BSC", "chainId": "56" },
                  { "chainName": "Polygon", "chainId": "137" },
                  { "chainName": "Base", "chainId": "8453" },
                  { "chainName": "Arbitrum", "chainId": "42161" },
                  { "chainName": "Avalanche", "chainId": "43114" },
                  { "chainName": "Linea", "chainId": "59144" },
                  { "chainName": "Scroll", "chainId": "534352" },
                  { "chainName": "Mantle", "chainId": "5000" },
                  { "chainName": "Blast", "chainId": "81457" },
                  { "chainName": "Mode", "chainId": "34443" }
                ]
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/gasless/price": {
      "get": {
        "operationId": "gasless::getPrice",
        "summary": "getPrice",
        "description": "Get the indicative price for a gasless swap",
        "tags": ["Gasless"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "chainId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
            "example": 1
          },
          {
            "name": "buyToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to buy",
            "example": "0xdac17f958d2ee523a2206206994597c13d831ec7"
          },
          {
            "name": "sellToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to sell. Native token is not supported",
            "example": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
          },
          {
            "name": "sellAmount",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "description": "The amount of `sellToken` in `sellToken` base units to sell",
            "example": "300000000"
          },
          {
            "name": "taker",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address which holds the `sellToken` balance and has the allowance set for the swap",
            "example": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e"
          },
          {
            "name": "recipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive the `buyToken`. If not provided, defaults to the taker address. Not supported for wrap/unwrap operations."
          },
          {
            "name": "swapFeeRecipient",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x[a-fA-F0-9]{40}(\\s*,\\s*0x[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The wallet address to receive the specified trading fees (supports single or multiple comma-separated values). You must also specify the `swapFeeBps` in the request to use this feature. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "swapFeeBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*\\d+(\\s*,\\s*\\d+)*\\s*$"
            },
            "description": "The amount in Bps of the `swapFeeToken` to charge and deliver to the `swapFeeRecipient` (supports single or multiple comma-separated values). You must also specify the `swapFeeRecipient` in the request to use this feature. For security, this field has a default limit of 1000 Bps. If your application requires a higher value, please reach out to us."
          },
          {
            "name": "swapFeeToken",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x(?!0{40})[a-fA-F0-9]{40}(\\s*,\\s*0x(?!0{40})[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The contract address of the token to receive trading fees in (supports single or multiple comma-separated values). Each token must be set to the value of either the `buyToken` or the `sellToken`. If omitted, the fee token will be determined by 0x with preference to stablecoins and highly liquid assets. You must also specify the `swapFeeRecipient` and `swapFeeBps` to charge integrator fees. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "tradeSurplusRecipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive any trade surplus. If specified, this address will receive trade surplus when applicable. Otherwise, the taker will receive the surplus. This feature is only available to selected integrators on a custom pricing plan. In other cases, the surplus will be collected by 0x. For assistance with a custom plan, please contact support."
          },
          {
            "name": "tradeSurplusMaxBps",
            "in": "query",
            "required": false,
            "schema": { "type": "integer", "minimum": 1, "maximum": 10000 },
            "description": "The maximum trade surplus (positive slippage) that can be collected in Bps of the buy amount. If not provided, defaults to 10000 (100%). Must be used together with `tradeSurplusRecipient`."
          },
          {
            "name": "slippageBps",
            "in": "query",
            "required": false,
            "schema": { "type": "integer", "minimum": 30, "maximum": 10000 },
            "description": "The maximum acceptable slippage of the `buyToken` in Bps. 0x sets the optimal slippage tolerance per trade by default. To mitigate the risk of MEV attacks, we recommend adjusting this value only when trading low-liquidity tokens."
          },
          {
            "name": "excludedSources",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "Liquidity sources e.g. Uniswap_V3, SushiSwap, 0x_RFQ to exclude from the provided quote. `See https://api.0x.org/sources?chainId=<chain_id>` with the desired chain's ID for a full list of sources. Separate multiple sources with a comma"
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "type": "object",
                      "properties": {
                        "allowanceTarget": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "nullable": true,
                          "description": "The target contract address for which the `taker` needs to have an allowance in order to be able to complete the swap. For swaps with the native asset (ie \"ETH\" or \"BNB\") as the `sellToken`, wrapping the native asset (i.e. \"ETH\" to \"WETH\") or unwrapping, no allowance is needed"
                        },
                        "blockNumber": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The block number at which the liquidity sources were sampled to generate the quote. This indicates the freshness of the quote"
                        },
                        "buyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `buyToken` (in `buyToken` units) that will be bought in the swap"
                        },
                        "buyToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to buy in the swap"
                        },
                        "fees": {
                          "type": "object",
                          "properties": {
                            "integratorFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the integrator fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the integrator fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The specified fee to charge and deliver to the `swapFeeRecipient`."
                            },
                            "integratorFees": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "amount": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The amount of token charged as the integrator fee"
                                  },
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The address of the token charged as the integrator fee"
                                  },
                                  "type": {
                                    "type": "string",
                                    "enum": ["volume"]
                                  }
                                },
                                "required": ["amount", "token", "type"],
                                "additionalProperties": false
                              },
                              "nullable": true,
                              "description": "The specified fees to charge and deliver to the `swapFeesRecipient`."
                            },
                            "zeroExFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the 0x fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the 0x fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The fee charged by 0x for the trade."
                            },
                            "gasFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the gas fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the gas fee"
                                },
                                "type": { "type": "string", "enum": ["gas"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The gas fee to be used in submitting the transaction."
                            }
                          },
                          "required": [
                            "integratorFee",
                            "integratorFees",
                            "zeroExFee",
                            "gasFee"
                          ],
                          "additionalProperties": false,
                          "description": "Fees to be deducted in this transaction. It contains the `integratorFee`, `zeroExFee` and `gasFee`"
                        },
                        "issues": {
                          "type": "object",
                          "properties": {
                            "allowance": {
                              "type": "object",
                              "properties": {
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The `taker`'s current allowance of the `spender`"
                                },
                                "spender": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address to set the allowance on"
                                }
                              },
                              "required": ["actual", "spender"],
                              "additionalProperties": false,
                              "description": "Details of allowances that the `taker` must set for in order to execute the swap successfully. Null if no allowance is required",
                              "nullable": true
                            },
                            "balance": {
                              "type": "object",
                              "properties": {
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The contract address of the `sellToken`"
                                },
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The current balance of the `sellToken` in the `taker` address"
                                },
                                "expected": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The balance of the `sellToken` required for the swap to execute successfully"
                                }
                              },
                              "required": ["token", "actual", "expected"],
                              "additionalProperties": false,
                              "description": "Details of balance of the `sellToken` that the `taker` must hold. Null if the `taker` has sufficient balance",
                              "nullable": true
                            },
                            "simulationIncomplete": {
                              "type": "boolean",
                              "description": "This is set to `true` when 0x cannot validate the transaction. This happens when the `taker` has an insufficient balance of the `sellToken` and 0x is unable to peform ehanced quote validation with the low balance. Note that this does not necessarily mean that the trade will revert"
                            },
                            "invalidSourcesPassed": {
                              "type": "array",
                              "items": { "type": "string" },
                              "description": "A list of invalid sources present in `excludedSources` request. See `https://api.0x.org/sources?chainId=` with the desired chain's ID for the list of valid sources"
                            }
                          },
                          "required": [
                            "allowance",
                            "balance",
                            "simulationIncomplete",
                            "invalidSourcesPassed"
                          ],
                          "additionalProperties": false,
                          "description": "An object containing potential issues discovered during 0x validation that can prevent the swap from being executed successfully by the `taker`"
                        },
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [true],
                          "description": "This validates the availability of liquidity for the quote requested. The rest of the fields will only be returned if `true`"
                        },
                        "minBuyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The price which must be met or else the entire transaction will revert. This price is influenced by the `slippageBps` parameter. On-chain sources may encounter price movements from quote to settlement"
                        },
                        "route": {
                          "type": "object",
                          "properties": {
                            "fills": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "from": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the input token"
                                  },
                                  "to": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the output token"
                                  },
                                  "source": {
                                    "type": "string",
                                    "description": "The liquidity source used in the route"
                                  },
                                  "proportionBps": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The proportion of the trade to be filled by the `source`"
                                  }
                                },
                                "required": [
                                  "from",
                                  "to",
                                  "source",
                                  "proportionBps"
                                ],
                                "additionalProperties": false
                              },
                              "description": "Details of each segment that 0x routes the swap through"
                            },
                            "tokens": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "address": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The token address. This is the unique identifier of the token"
                                  },
                                  "symbol": {
                                    "type": "string",
                                    "description": "The token symbol. This is not guaranteed to be unique, as multiple tokens can have the same symbol"
                                  }
                                },
                                "required": ["address", "symbol"],
                                "additionalProperties": false,
                                "description": "Properties of the tokens involved in the swap"
                              },
                              "description": "Properties of the tokens involved in the swap"
                            }
                          },
                          "required": ["fills", "tokens"],
                          "additionalProperties": false,
                          "description": "The path of liquidity sources to be used in executing this swap"
                        },
                        "sellAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `sellToken` (in `sellToken` units) that will be sold in this swap"
                        },
                        "sellToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to sell in the swap"
                        },
                        "target": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The address of the target contract that the transaction will be submitted to"
                        },
                        "tokenMetadata": {
                          "type": "object",
                          "properties": {
                            "buyToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the buy token"
                            },
                            "sellToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the sell token"
                            }
                          },
                          "required": ["buyToken", "sellToken"],
                          "additionalProperties": false,
                          "description": "Swap-related metadata for the buy and sell token in the swap"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": [
                        "allowanceTarget",
                        "blockNumber",
                        "buyAmount",
                        "buyToken",
                        "fees",
                        "issues",
                        "liquidityAvailable",
                        "minBuyAmount",
                        "route",
                        "sellAmount",
                        "sellToken",
                        "target",
                        "tokenMetadata",
                        "zid"
                      ],
                      "additionalProperties": false
                    },
                    {
                      "type": "object",
                      "properties": {
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [false],
                          "description": "This validates the availability of liquidity for the quote requested. No other fields will be returned if it is `false`"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": ["liquidityAvailable", "zid"],
                      "additionalProperties": false
                    }
                  ]
                },
                "example": {
                  "allowanceTarget": "0x000000000022d473030f116ddee9f6b43ac78ba3",
                  "blockNumber": "20114764",
                  "buyAmount": "291527064",
                  "buyToken": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                  "fees": {
                    "integratorFee": null,
                    "zeroExFee": {
                      "amount": "150053",
                      "token": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                      "type": "volume"
                    },
                    "gasFee": {
                      "amount": "8430138",
                      "token": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                      "type": "gas"
                    }
                  },
                  "issues": {
                    "allowance": {
                      "actual": "0",
                      "spender": "0x000000000022d473030f116ddee9f6b43ac78ba3"
                    },
                    "balance": {
                      "token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                      "actual": "0",
                      "expected": "300000000"
                    },
                    "simulationIncomplete": false,
                    "invalidSourcesPassed": []
                  },
                  "liquidityAvailable": true,
                  "minBuyAmount": "290652483",
                  "route": {
                    "fills": [
                      {
                        "from": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "source": "SolidlyV3",
                        "proportionBps": "10000"
                      }
                    ],
                    "tokens": [
                      {
                        "address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "symbol": "USDC"
                      },
                      {
                        "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "symbol": "USDT"
                      }
                    ]
                  },
                  "sellAmount": "300000000",
                  "sellToken": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                  "target": "0x7c39a136ea20b3483e402ea031c1f3c019bab24b",
                  "tokenMetadata": {
                    "buyToken": { "buyTaxBps": "0", "sellTaxBps": "0" },
                    "sellToken": { "buyTaxBps": "0", "sellTaxBps": "0" }
                  },
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INPUT_INVALID" },
                    { "$ref": "#/components/schemas/RECIPIENT_NOT_SUPPORTED" },
                    {
                      "$ref": "#/components/schemas/SMART_WALLET_NOT_SUPPORTED"
                    },
                    {
                      "$ref": "#/components/schemas/UNABLE_TO_CALCULATE_GAS_FEE"
                    },
                    { "$ref": "#/components/schemas/SELL_AMOUNT_TOO_SMALL" },
                    { "$ref": "#/components/schemas/SWAP_VALIDATION_FAILED" },
                    { "$ref": "#/components/schemas/TOKEN_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/USER_NOT_AUTHORIZED" },
                    { "$ref": "#/components/schemas/TOKEN_PAIR_NOT_SUPPORTED" }
                  ]
                }
              }
            }
          },
          "403": {
            "description": "403 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/TAKER_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/RECIPIENT_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    { "$ref": "#/components/schemas/XSTOCKS_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "422": {
            "description": "422 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/BUY_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/SELL_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    }
                  ]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/gasless/quote": {
      "get": {
        "operationId": "gasless::getQuote",
        "summary": "getQuote",
        "description": "Get the firm quote for a gasless swap",
        "tags": ["Gasless"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "chainId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
            "example": 1
          },
          {
            "name": "buyToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to buy",
            "example": "0xdac17f958d2ee523a2206206994597c13d831ec7"
          },
          {
            "name": "sellToken",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^0x(?!0{40})[a-fA-F0-9]{40}$"
            },
            "description": "The contract address of the token to sell. Native token is not supported",
            "example": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
          },
          {
            "name": "sellAmount",
            "in": "query",
            "required": true,
            "schema": { "type": "string" },
            "description": "The amount of `sellToken` in `sellToken` base units to sell",
            "example": "300000000"
          },
          {
            "name": "taker",
            "in": "query",
            "required": true,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address which holds the `sellToken` balance and has the allowance set for the swap",
            "example": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e"
          },
          {
            "name": "recipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive the `buyToken`. If not provided, defaults to the taker address. Not supported for wrap/unwrap operations."
          },
          {
            "name": "swapFeeRecipient",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x[a-fA-F0-9]{40}(\\s*,\\s*0x[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The wallet address to receive the specified trading fees (supports single or multiple comma-separated values). You must also specify the `swapFeeBps` in the request to use this feature. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "swapFeeBps",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*\\d+(\\s*,\\s*\\d+)*\\s*$"
            },
            "description": "The amount in Bps of the `swapFeeToken` to charge and deliver to the `swapFeeRecipient` (supports single or multiple comma-separated values). You must also specify the `swapFeeRecipient` in the request to use this feature. For security, this field has a default limit of 1000 Bps. If your application requires a higher value, please reach out to us."
          },
          {
            "name": "swapFeeToken",
            "in": "query",
            "required": false,
            "schema": {
              "type": "string",
              "pattern": "^\\s*0x(?!0{40})[a-fA-F0-9]{40}(\\s*,\\s*0x(?!0{40})[a-fA-F0-9]{40})*\\s*$"
            },
            "description": "The contract address of the token to receive trading fees in (supports single or multiple comma-separated values). Each token must be set to the value of either the `buyToken` or the `sellToken`. If omitted, the fee token will be determined by 0x with preference to stablecoins and highly liquid assets. You must also specify the `swapFeeRecipient` and `swapFeeBps` to charge integrator fees. When multiple values are provided, must match length of `swapFeeBps`."
          },
          {
            "name": "tradeSurplusRecipient",
            "in": "query",
            "required": false,
            "schema": { "type": "string", "pattern": "^0x[a-fA-F0-9]{40}$" },
            "description": "The address to receive any trade surplus. If specified, this address will receive trade surplus when applicable. Otherwise, the taker will receive the surplus. This feature is only available to selected integrators on a custom pricing plan. In other cases, the surplus will be collected by 0x. For assistance with a custom plan, please contact support."
          },
          {
            "name": "tradeSurplusMaxBps",
            "in": "query",
            "required": false,
            "schema": { "type": "integer", "minimum": 1, "maximum": 10000 },
            "description": "The maximum trade surplus (positive slippage) that can be collected in Bps of the buy amount. If not provided, defaults to 10000 (100%). Must be used together with `tradeSurplusRecipient`."
          },
          {
            "name": "slippageBps",
            "in": "query",
            "required": false,
            "schema": { "type": "integer", "minimum": 30, "maximum": 10000 },
            "description": "The maximum acceptable slippage of the `buyToken` in Bps. 0x sets the optimal slippage tolerance per trade by default. To mitigate the risk of MEV attacks, we recommend adjusting this value only when trading low-liquidity tokens."
          },
          {
            "name": "excludedSources",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "Liquidity sources e.g. Uniswap_V3, SushiSwap, 0x_RFQ to exclude from the provided quote. See `https://api.0x.org/sources?chainId=<chain_id>` with the desired chain's ID for a full list of sources. Separate multiple sources with a comma"
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "type": "object",
                      "properties": {
                        "allowanceTarget": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "nullable": true,
                          "description": "The target contract address for which the `taker` needs to have an allowance in order to be able to complete the swap. For swaps with the native asset (ie \"ETH\" or \"BNB\") as the `sellToken`, wrapping the native asset (i.e. \"ETH\" to \"WETH\") or unwrapping, no allowance is needed"
                        },
                        "approval": {
                          "type": "object",
                          "properties": {
                            "type": {
                              "type": "string",
                              "enum": [
                                "executeMetaTransaction::approve",
                                "permit",
                                "daiPermit"
                              ]
                            },
                            "hash": {
                              "type": "string",
                              "description": "The hash for the approval according to [EIP-712](https://eips.ethereum.org/EIPS/eip-712). If you compute the hash from eip712 field, it should match the value of this field"
                            },
                            "eip712": {
                              "type": "object",
                              "properties": {
                                "types": {
                                  "type": "object",
                                  "additionalProperties": {
                                    "type": "array",
                                    "items": {
                                      "type": "object",
                                      "properties": {
                                        "name": { "type": "string" },
                                        "type": { "type": "string" }
                                      },
                                      "required": ["name", "type"],
                                      "additionalProperties": false
                                    }
                                  }
                                },
                                "domain": {
                                  "type": "object",
                                  "properties": {
                                    "name": { "type": "string" },
                                    "version": { "type": "string" },
                                    "chainId": { "type": "number" },
                                    "verifyingContract": { "type": "string" },
                                    "salt": { "type": "string" }
                                  },
                                  "additionalProperties": false
                                },
                                "message": {
                                  "type": "object",
                                  "additionalProperties": {
                                    "anyOf": [
                                      { "type": "string" },
                                      {
                                        "type": "array",
                                        "items": { "type": "string" }
                                      },
                                      { "type": "number" },
                                      {
                                        "type": "array",
                                        "items": { "type": "number" }
                                      },
                                      { "type": "boolean" },
                                      {
                                        "type": "array",
                                        "items": { "type": "boolean" }
                                      },
                                      {},
                                      { "type": "array", "items": {} }
                                    ]
                                  }
                                },
                                "primaryType": { "type": "string" }
                              },
                              "required": [
                                "types",
                                "domain",
                                "message",
                                "primaryType"
                              ],
                              "additionalProperties": false,
                              "description": "The necessary data for [EIP-712](https://eips.ethereum.org/EIPS/eip-712). Please don't assume static shapes for `approval.eip712.types`, `approval.eip712.domain`, `approval.eip712.primaryType` and `approval.eip712.message` as they will change depending on the `type`"
                            }
                          },
                          "required": ["type", "hash", "eip712"],
                          "additionalProperties": false,
                          "nullable": true,
                          "description": "This is the “approval” object which contains the necessary information to process a gasless approval"
                        },
                        "blockNumber": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The block number at which the liquidity sources were sampled to generate the quote. This indicates the freshness of the quote."
                        },
                        "buyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `buyToken` (in `buyToken` units) that will be bought in the swap"
                        },
                        "buyToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to buy in the swap"
                        },
                        "fees": {
                          "type": "object",
                          "properties": {
                            "integratorFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the integrator fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the integrator fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The specified fee to charge and deliver to the `swapFeeRecipient`."
                            },
                            "integratorFees": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "amount": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The amount of token charged as the integrator fee"
                                  },
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The address of the token charged as the integrator fee"
                                  },
                                  "type": {
                                    "type": "string",
                                    "enum": ["volume"]
                                  }
                                },
                                "required": ["amount", "token", "type"],
                                "additionalProperties": false
                              },
                              "nullable": true,
                              "description": "The specified fees to charge and deliver to the `swapFeesRecipient`."
                            },
                            "zeroExFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the 0x fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the 0x fee"
                                },
                                "type": { "type": "string", "enum": ["volume"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The fee charged by 0x for the trade."
                            },
                            "gasFee": {
                              "type": "object",
                              "properties": {
                                "amount": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The amount of token charged as the gas fee"
                                },
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address of the token charged as the gas fee"
                                },
                                "type": { "type": "string", "enum": ["gas"] }
                              },
                              "required": ["amount", "token", "type"],
                              "additionalProperties": false,
                              "nullable": true,
                              "description": "The gas fee to be used in submitting the transaction."
                            }
                          },
                          "required": [
                            "integratorFee",
                            "integratorFees",
                            "zeroExFee",
                            "gasFee"
                          ],
                          "additionalProperties": false
                        },
                        "issues": {
                          "type": "object",
                          "properties": {
                            "allowance": {
                              "type": "object",
                              "properties": {
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The `taker`'s current allowance of the `spender`"
                                },
                                "spender": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The address to set the allowance on"
                                }
                              },
                              "required": ["actual", "spender"],
                              "additionalProperties": false,
                              "description": "Details of allowances that the `taker` must set for in order to execute the swap successfully. Null if no allowance is required",
                              "nullable": true
                            },
                            "balance": {
                              "type": "object",
                              "properties": {
                                "token": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The contract address of the `sellToken`"
                                },
                                "actual": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The current balance of the `sellToken` in the `taker` address"
                                },
                                "expected": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "description": "The balance of the `sellToken` required for the swap to execute successfully"
                                }
                              },
                              "required": ["token", "actual", "expected"],
                              "additionalProperties": false,
                              "description": "Details of balance of the `sellToken` that the `taker` must hold. Null if the `taker` has sufficient balance",
                              "nullable": true
                            },
                            "simulationIncomplete": {
                              "type": "boolean",
                              "description": "This is set to `true` when 0x cannot validate the transaction. This happens when the `taker` has an insufficient balance of the `sellToken` and 0x is unable to peform ehanced quote validation with the low balance. Note that this does not necessarily mean that the trade will revert"
                            },
                            "invalidSourcesPassed": {
                              "type": "array",
                              "items": { "type": "string" },
                              "description": "A list of invalid sources present in `excludedSources` request. See `https://api.0x.org/sources?chainId=` with the desired chain's ID for the list of valid sources"
                            }
                          },
                          "required": [
                            "allowance",
                            "balance",
                            "simulationIncomplete",
                            "invalidSourcesPassed"
                          ],
                          "additionalProperties": false,
                          "description": "An object containing potential issues discovered during 0x validation that can prevent the swap from being executed successfully by the `taker`"
                        },
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [true],
                          "description": "This validates the availability of liquidity for the quote requested. The rest of the fields will only be returned if `true`"
                        },
                        "minBuyAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The price which must be met or else the transaction will revert. This price is influenced by the `slippageBps` parameter. On-chain sources may encounter price movements from quote to settlement"
                        },
                        "route": {
                          "type": "object",
                          "properties": {
                            "fills": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "from": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the input token"
                                  },
                                  "to": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the output token"
                                  },
                                  "source": {
                                    "type": "string",
                                    "description": "The liquidity source used in the route"
                                  },
                                  "proportionBps": {
                                    "allOf": [
                                      {},
                                      {
                                        "type": "string",
                                        "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                      }
                                    ],
                                    "description": "The proportion of the trade to be filled by the `source`"
                                  }
                                },
                                "required": [
                                  "from",
                                  "to",
                                  "source",
                                  "proportionBps"
                                ],
                                "additionalProperties": false
                              },
                              "description": "Details of each segment that 0x routes the swap through"
                            },
                            "tokens": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "address": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The token address. This is the unique identifier of the token"
                                  },
                                  "symbol": {
                                    "type": "string",
                                    "description": "The token symbol. This is not guaranteed to be unique, as multiple tokens can have the same symbol"
                                  }
                                },
                                "required": ["address", "symbol"],
                                "additionalProperties": false,
                                "description": "Properties of the tokens involved in the swap"
                              },
                              "description": "Properties of the tokens involved in the swap"
                            }
                          },
                          "required": ["fills", "tokens"],
                          "additionalProperties": false,
                          "description": "The path of liquidity sources to be used in executing this swap"
                        },
                        "sellAmount": {
                          "allOf": [
                            {},
                            {
                              "type": "string",
                              "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                            }
                          ],
                          "description": "The amount of `sellToken` (in `sellToken` units) that will be sold in this swap"
                        },
                        "sellToken": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The contract address of the token to sell in the swap"
                        },
                        "target": {
                          "type": "string",
                          "pattern": "^0x[a-fA-F0-9]{40}$",
                          "description": "The address of the target contract that the transaction will be submitted to"
                        },
                        "tokenMetadata": {
                          "type": "object",
                          "properties": {
                            "buyToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the buy token"
                            },
                            "sellToken": {
                              "type": "object",
                              "properties": {
                                "buyTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The buy tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "sellTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The sell tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                },
                                "transferTaxBps": {
                                  "allOf": [
                                    {},
                                    {
                                      "type": "string",
                                      "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                                    }
                                  ],
                                  "nullable": true,
                                  "description": "The transfer tax in bps of the token. Since each token could have arbitrary implementation, this field is best effort, meaning it would be set to `null` if the system is not able to determine the tax"
                                }
                              },
                              "required": [
                                "buyTaxBps",
                                "sellTaxBps",
                                "transferTaxBps"
                              ],
                              "additionalProperties": false,
                              "description": "Swap-related metadata for the sell token"
                            }
                          },
                          "required": ["buyToken", "sellToken"],
                          "additionalProperties": false,
                          "description": "Swap-related metadata for the buy and sell token in the swap"
                        },
                        "trade": {
                          "type": "object",
                          "properties": {
                            "type": {
                              "type": "string",
                              "enum": [
                                "settler_metatransaction",
                                "settler_intent"
                              ],
                              "description": "The transaction type determined by the trade route. This is currently just `settler_metatransaction` and could expand to more types in the future"
                            },
                            "hash": {
                              "type": "string",
                              "description": "The hash for the trade according to [EIP-712](https://eips.ethereum.org/EIPS/eip-712). If you compute the hash from eip712 field, it should match the value of this field"
                            },
                            "eip712": {
                              "type": "object",
                              "properties": {
                                "types": {
                                  "type": "object",
                                  "additionalProperties": {
                                    "type": "array",
                                    "items": {
                                      "type": "object",
                                      "properties": {
                                        "name": { "type": "string" },
                                        "type": { "type": "string" }
                                      },
                                      "required": ["name", "type"],
                                      "additionalProperties": false
                                    }
                                  }
                                },
                                "domain": {
                                  "type": "object",
                                  "properties": {
                                    "name": { "type": "string" },
                                    "version": { "type": "string" },
                                    "chainId": { "type": "number" },
                                    "verifyingContract": { "type": "string" },
                                    "salt": { "type": "string" }
                                  },
                                  "additionalProperties": false
                                },
                                "message": {
                                  "type": "object",
                                  "additionalProperties": {
                                    "anyOf": [
                                      { "type": "string" },
                                      {
                                        "type": "array",
                                        "items": { "type": "string" }
                                      },
                                      { "type": "number" },
                                      {
                                        "type": "array",
                                        "items": { "type": "number" }
                                      },
                                      { "type": "boolean" },
                                      {
                                        "type": "array",
                                        "items": { "type": "boolean" }
                                      },
                                      {},
                                      { "type": "array", "items": {} }
                                    ]
                                  }
                                },
                                "primaryType": { "type": "string" }
                              },
                              "required": [
                                "types",
                                "domain",
                                "message",
                                "primaryType"
                              ],
                              "additionalProperties": false,
                              "description": "This is the necessary data for [EIP-712](https://eips.ethereum.org/EIPS/eip-712). Please don't assume static shapes for `trade.eip712.types`, `trade.eip712.domain`, `trade.eip712.primaryType` and `trade.eip712.message` as they will change depending on the `type`"
                            }
                          },
                          "required": ["type", "hash", "eip712"],
                          "additionalProperties": false,
                          "description": "This is the “trade” object which contains the necessary information to process a gasless trade"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": [
                        "allowanceTarget",
                        "approval",
                        "blockNumber",
                        "buyAmount",
                        "buyToken",
                        "fees",
                        "issues",
                        "liquidityAvailable",
                        "minBuyAmount",
                        "route",
                        "sellAmount",
                        "sellToken",
                        "target",
                        "tokenMetadata",
                        "trade",
                        "zid"
                      ],
                      "additionalProperties": false
                    },
                    {
                      "type": "object",
                      "properties": {
                        "liquidityAvailable": {
                          "type": "boolean",
                          "enum": [false],
                          "description": "This validates the availability of liquidity for the quote requested. No other fields will be returned if it is `false`"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": ["liquidityAvailable", "zid"],
                      "additionalProperties": false
                    }
                  ]
                },
                "example": {
                  "allowanceTarget": "0x000000000022d473030f116ddee9f6b43ac78ba3",
                  "approval": {
                    "type": "permit",
                    "hash": "0xf3849ebcd806e518f2d3457b76d31ccf41be07fe64f0a25bbe798f1b9edde872",
                    "eip712": {
                      "types": {
                        "EIP712Domain": [
                          { "name": "name", "type": "string" },
                          { "name": "version", "type": "string" },
                          { "name": "chainId", "type": "uint256" },
                          { "name": "verifyingContract", "type": "address" }
                        ],
                        "Permit": [
                          { "name": "owner", "type": "address" },
                          { "name": "spender", "type": "address" },
                          { "name": "value", "type": "uint256" },
                          { "name": "nonce", "type": "uint256" },
                          { "name": "deadline", "type": "uint256" }
                        ]
                      },
                      "domain": {
                        "name": "USD Coin",
                        "version": "2",
                        "chainId": 1,
                        "verifyingContract": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
                      },
                      "message": {
                        "owner": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e",
                        "spender": "0x000000000022d473030f116ddee9f6b43ac78ba3",
                        "value": "300000000",
                        "nonce": 0,
                        "deadline": "1718667104"
                      },
                      "primaryType": "Permit"
                    }
                  },
                  "blockNumber": "20114747",
                  "buyAmount": "292995086",
                  "buyToken": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                  "fees": {
                    "integratorFee": null,
                    "zeroExFee": {
                      "amount": "150053",
                      "token": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                      "type": "volume"
                    },
                    "gasFee": {
                      "amount": "6962116",
                      "token": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                      "type": "gas"
                    }
                  },
                  "issues": {
                    "allowance": {
                      "actual": "0",
                      "spender": "0x000000000022d473030f116ddee9f6b43ac78ba3"
                    },
                    "balance": {
                      "token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                      "actual": "0",
                      "expected": "300000000"
                    },
                    "simulationIncomplete": false,
                    "invalidSourcesPassed": []
                  },
                  "liquidityAvailable": true,
                  "minBuyAmount": "292116101",
                  "route": {
                    "fills": [
                      {
                        "from": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "source": "SolidlyV3",
                        "proportionBps": "10000"
                      }
                    ],
                    "tokens": [
                      {
                        "address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                        "symbol": "USDC"
                      },
                      {
                        "address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                        "symbol": "USDT"
                      }
                    ]
                  },
                  "sellAmount": "300000000",
                  "sellToken": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                  "target": "0x7c39a136ea20b3483e402ea031c1f3c019bab24b",
                  "tokenMetadata": {
                    "buyToken": { "buyTaxBps": "0", "sellTaxBps": "0" },
                    "sellToken": { "buyTaxBps": "0", "sellTaxBps": "0" }
                  },
                  "trade": {
                    "type": "settler_metatransaction",
                    "hash": "0x3ff032fa3a970a3f2b763afce093fd133ced63c0b097ab12ae1441b42de4a167",
                    "eip712": {
                      "types": {
                        "PermitWitnessTransferFrom": [
                          { "name": "permitted", "type": "TokenPermissions" },
                          { "name": "spender", "type": "address" },
                          { "name": "nonce", "type": "uint256" },
                          { "name": "deadline", "type": "uint256" },
                          {
                            "name": "slippageAndActions",
                            "type": "SlippageAndActions"
                          }
                        ],
                        "EIP712Domain": [
                          { "name": "name", "type": "string" },
                          { "name": "chainId", "type": "uint256" },
                          { "name": "verifyingContract", "type": "address" }
                        ],
                        "TokenPermissions": [
                          { "name": "token", "type": "address" },
                          { "name": "amount", "type": "uint256" }
                        ],
                        "SlippageAndActions": [
                          { "name": "recipient", "type": "address" },
                          { "name": "buyToken", "type": "address" },
                          { "name": "minAmountOut", "type": "uint256" },
                          { "name": "actions", "type": "bytes[]" }
                        ]
                      },
                      "domain": {
                        "name": "Permit2",
                        "chainId": 1,
                        "verifyingContract": "0x000000000022d473030f116ddee9f6b43ac78ba3"
                      },
                      "message": {
                        "permitted": {
                          "token": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
                          "amount": "300000000"
                        },
                        "spender": "0x7c39a136ea20b3483e402ea031c1f3c019bab24b",
                        "nonce": "2241959297937691820908574931991567",
                        "deadline": "1718670104",
                        "slippageAndActions": {
                          "recipient": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e",
                          "buyToken": "0xdac17f958d2ee523a2206206994597c13d831ec7",
                          "minAmountOut": "292116101",
                          "actions": [
                            "0x0dfeb4190000000000000000000000007c39a136ea20b3483e402ea031c1f3c019bab24b000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb480000000000000000000000000000000000000000000000000000000011e1a3000000000000000000000000000000000000006e898131631616b1779bad70bc0f000000000000000000000000000000000000000000000000000000006670d318",
                            "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",
                            "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"
                          ]
                        }
                      },
                      "primaryType": "PermitWitnessTransferFrom"
                    }
                  },
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INPUT_INVALID" },
                    { "$ref": "#/components/schemas/INSUFFICIENT_BALANCE" },
                    { "$ref": "#/components/schemas/RECIPIENT_NOT_SUPPORTED" },
                    {
                      "$ref": "#/components/schemas/SMART_WALLET_NOT_SUPPORTED"
                    },
                    {
                      "$ref": "#/components/schemas/UNABLE_TO_CALCULATE_GAS_FEE"
                    },
                    { "$ref": "#/components/schemas/SELL_AMOUNT_TOO_SMALL" },
                    { "$ref": "#/components/schemas/SWAP_VALIDATION_FAILED" },
                    { "$ref": "#/components/schemas/TOKEN_NOT_SUPPORTED" },
                    { "$ref": "#/components/schemas/USER_NOT_AUTHORIZED" },
                    { "$ref": "#/components/schemas/TOKEN_PAIR_NOT_SUPPORTED" }
                  ]
                }
              }
            }
          },
          "403": {
            "description": "403 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/TAKER_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/RECIPIENT_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    { "$ref": "#/components/schemas/XSTOCKS_NOT_AUTHORIZED" }
                  ]
                }
              }
            }
          },
          "422": {
            "description": "422 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/BUY_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    },
                    {
                      "$ref": "#/components/schemas/SELL_TOKEN_NOT_AUTHORIZED_FOR_TRADE"
                    }
                  ]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/gasless/submit": {
      "post": {
        "operationId": "gasless::submit",
        "summary": "submit",
        "description": "Submit a gasless swap",
        "tags": ["Gasless"],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "chainId": {
                    "type": "integer",
                    "exclusiveMinimum": true,
                    "minimum": 0,
                    "description": "Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains"
                  },
                  "approval": {
                    "type": "object",
                    "properties": {
                      "type": {
                        "type": "string",
                        "enum": [
                          "executeMetaTransaction::approve",
                          "permit",
                          "daiPermit"
                        ],
                        "description": "The `approval.type` from the quote endpoint"
                      },
                      "eip712": {
                        "anyOf": [
                          {
                            "type": "object",
                            "properties": {
                              "types": {
                                "type": "object",
                                "properties": {
                                  "EIP712Domain": {
                                    "type": "array",
                                    "items": {
                                      "type": "object",
                                      "properties": {
                                        "name": { "type": "string" },
                                        "type": { "type": "string" }
                                      },
                                      "required": ["name", "type"],
                                      "additionalProperties": false
                                    }
                                  },
                                  "Permit": {
                                    "type": "array",
                                    "items": {
                                      "type": "object",
                                      "properties": {
                                        "name": { "type": "string" },
                                        "type": { "type": "string" }
                                      },
                                      "required": ["name", "type"],
                                      "additionalProperties": false
                                    }
                                  }
                                },
                                "required": ["EIP712Domain", "Permit"],
                                "additionalProperties": false
                              },
                              "domain": {
                                "type": "object",
                                "properties": {
                                  "name": { "type": "string" },
                                  "version": { "type": "string" },
                                  "chainId": { "type": "number" },
                                  "verifyingContract": { "type": "string" },
                                  "salt": { "type": "string" }
                                },
                                "additionalProperties": false
                              },
                              "message": {
                                "type": "object",
                                "properties": {
                                  "owner": { "type": "string" },
                                  "spender": { "type": "string" },
                                  "value": { "type": "string" },
                                  "nonce": { "type": "number" },
                                  "deadline": { "type": "string" }
                                },
                                "required": [
                                  "owner",
                                  "spender",
                                  "value",
                                  "nonce",
                                  "deadline"
                                ],
                                "additionalProperties": false
                              },
                              "primaryType": {
                                "type": "string",
                                "enum": ["Permit"]
                              }
                            },
                            "required": [
                              "types",
                              "domain",
                              "message",
                              "primaryType"
                            ],
                            "additionalProperties": false
                          },
                          {
                            "type": "object",
                            "properties": {
                              "types": {
                                "type": "object",
                                "properties": {
                                  "EIP712Domain": {
                                    "type": "array",
                                    "items": {
                                      "type": "object",
                                      "properties": {
                                        "name": { "type": "string" },
                                        "type": { "type": "string" }
                                      },
                                      "required": ["name", "type"],
                                      "additionalProperties": false
                                    }
                                  },
                                  "Permit": {
                                    "type": "array",
                                    "items": {
                                      "type": "object",
                                      "properties": {
                                        "name": { "type": "string" },
                                        "type": { "type": "string" }
                                      },
                                      "required": ["name", "type"],
                                      "additionalProperties": false
                                    }
                                  }
                                },
                                "required": ["EIP712Domain", "Permit"],
                                "additionalProperties": false
                              },
                              "domain": {
                                "type": "object",
                                "properties": {
                                  "name": { "type": "string" },
                                  "version": { "type": "string" },
                                  "chainId": { "type": "number" },
                                  "verifyingContract": { "type": "string" },
                                  "salt": { "type": "string" }
                                },
                                "additionalProperties": false
                              },
                              "message": {
                                "type": "object",
                                "properties": {
                                  "holder": { "type": "string" },
                                  "spender": { "type": "string" },
                                  "nonce": { "type": "number" },
                                  "expiry": { "type": "string" },
                                  "allowed": { "type": "boolean" }
                                },
                                "required": [
                                  "holder",
                                  "spender",
                                  "nonce",
                                  "expiry",
                                  "allowed"
                                ],
                                "additionalProperties": false
                              },
                              "primaryType": {
                                "type": "string",
                                "enum": ["Permit"]
                              }
                            },
                            "required": [
                              "types",
                              "domain",
                              "message",
                              "primaryType"
                            ],
                            "additionalProperties": false
                          },
                          {
                            "type": "object",
                            "properties": {
                              "types": {
                                "type": "object",
                                "properties": {
                                  "EIP712Domain": {
                                    "type": "array",
                                    "items": {
                                      "type": "object",
                                      "properties": {
                                        "name": { "type": "string" },
                                        "type": { "type": "string" }
                                      },
                                      "required": ["name", "type"],
                                      "additionalProperties": false
                                    }
                                  },
                                  "MetaTransaction": {
                                    "type": "array",
                                    "items": {
                                      "type": "object",
                                      "properties": {
                                        "name": { "type": "string" },
                                        "type": { "type": "string" }
                                      },
                                      "required": ["name", "type"],
                                      "additionalProperties": false
                                    }
                                  }
                                },
                                "required": ["EIP712Domain", "MetaTransaction"],
                                "additionalProperties": false
                              },
                              "domain": {
                                "type": "object",
                                "properties": {
                                  "name": { "type": "string" },
                                  "version": { "type": "string" },
                                  "chainId": { "type": "number" },
                                  "verifyingContract": { "type": "string" },
                                  "salt": { "type": "string" }
                                },
                                "additionalProperties": false
                              },
                              "message": {
                                "type": "object",
                                "properties": {
                                  "nonce": { "type": "number" },
                                  "from": { "type": "string" },
                                  "functionSignature": { "type": "string" }
                                },
                                "required": [
                                  "nonce",
                                  "from",
                                  "functionSignature"
                                ],
                                "additionalProperties": false
                              },
                              "primaryType": {
                                "type": "string",
                                "enum": ["MetaTransaction"]
                              }
                            },
                            "required": [
                              "types",
                              "domain",
                              "message",
                              "primaryType"
                            ],
                            "additionalProperties": false
                          }
                        ]
                      },
                      "signature": {
                        "type": "object",
                        "properties": {
                          "signatureType": {
                            "type": "number",
                            "description": "Signature type enum: `2` (EIP712), `3` (EthSign), or `5` (Raw). Determines which other fields are required."
                          },
                          "v": {
                            "type": "number",
                            "description": "ECDSA recovery id. Required when signatureType is `2` (EIP712) or `3` (EthSign)."
                          },
                          "r": {
                            "type": "string",
                            "description": "ECDSA signature r value (hex string). Required when signatureType is `2` (EIP712) or `3` (EthSign)."
                          },
                          "s": {
                            "type": "string",
                            "description": "ECDSA signature s value (hex string). Required when signatureType is `2` (EIP712) or `3` (EthSign)."
                          },
                          "signatureBytes": {
                            "type": "string",
                            "description": "Raw signature bytes (hex string). Required when signatureType is `5` (Raw). Must not be provided for other signature types."
                          }
                        },
                        "required": ["signatureType"],
                        "additionalProperties": false,
                        "description": "A discriminated union based on `signatureType`. For EIP712 (`signatureType: 2`) or EthSign (`signatureType: 3`): provide `v`, `r`, and `s`. For Raw (`signatureType: 5`): provide `signatureBytes` only. Use Raw (`signatureType: 5`) to support smart contract wallets (e.g. ERC-1271) that return opaque signature bytes."
                      }
                    },
                    "required": ["type", "eip712", "signature"],
                    "additionalProperties": false,
                    "nullable": true,
                    "description": "The gasless approval object from the quote endpoint including its signature"
                  },
                  "trade": {
                    "type": "object",
                    "properties": {
                      "type": {
                        "type": "string",
                        "enum": ["settler_metatransaction", "settler_intent"],
                        "description": "The `trade.type` from the quote endpoint"
                      },
                      "eip712": {
                        "type": "object",
                        "properties": {
                          "types": {
                            "type": "object",
                            "additionalProperties": {
                              "type": "array",
                              "items": {
                                "type": "object",
                                "properties": {
                                  "name": { "type": "string" },
                                  "type": { "type": "string" }
                                },
                                "required": ["name", "type"],
                                "additionalProperties": false
                              }
                            }
                          },
                          "primaryType": { "type": "string" },
                          "domain": {
                            "type": "object",
                            "properties": {
                              "name": { "type": "string" },
                              "version": { "type": "string" },
                              "chainId": { "type": "number" },
                              "verifyingContract": { "type": "string" },
                              "salt": { "type": "string" }
                            },
                            "additionalProperties": false
                          },
                          "message": {
                            "anyOf": [
                              {
                                "type": "object",
                                "properties": {
                                  "permitted": {
                                    "type": "object",
                                    "properties": {
                                      "token": {
                                        "type": "string",
                                        "pattern": "^0x[a-fA-F0-9]{40}$"
                                      },
                                      "amount": {
                                        "anyOf": [
                                          { "type": "string" },
                                          { "type": "number" },
                                          {}
                                        ]
                                      }
                                    },
                                    "required": ["token", "amount"],
                                    "additionalProperties": false
                                  },
                                  "spender": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$"
                                  },
                                  "nonce": {
                                    "anyOf": [
                                      { "type": "string" },
                                      { "type": "number" },
                                      {}
                                    ]
                                  },
                                  "deadline": {
                                    "anyOf": [
                                      { "type": "string" },
                                      { "type": "number" },
                                      {}
                                    ]
                                  },
                                  "slippageAndActions": {
                                    "type": "object",
                                    "properties": {
                                      "recipient": {
                                        "type": "string",
                                        "pattern": "^0x[a-fA-F0-9]{40}$"
                                      },
                                      "buyToken": {
                                        "type": "string",
                                        "pattern": "^0x[a-fA-F0-9]{40}$"
                                      },
                                      "minAmountOut": {
                                        "anyOf": [
                                          { "type": "string" },
                                          { "type": "number" },
                                          {}
                                        ]
                                      },
                                      "actions": {
                                        "type": "array",
                                        "items": { "type": "string" }
                                      }
                                    },
                                    "required": [
                                      "recipient",
                                      "buyToken",
                                      "minAmountOut",
                                      "actions"
                                    ],
                                    "additionalProperties": false
                                  }
                                },
                                "required": [
                                  "permitted",
                                  "spender",
                                  "nonce",
                                  "deadline",
                                  "slippageAndActions"
                                ],
                                "additionalProperties": false
                              },
                              {
                                "type": "object",
                                "properties": {
                                  "permitted": {
                                    "type": "object",
                                    "properties": {
                                      "token": {
                                        "type": "string",
                                        "pattern": "^0x[a-fA-F0-9]{40}$"
                                      },
                                      "amount": {
                                        "anyOf": [
                                          { "type": "string" },
                                          { "type": "number" },
                                          {}
                                        ]
                                      }
                                    },
                                    "required": ["token", "amount"],
                                    "additionalProperties": false
                                  },
                                  "spender": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$"
                                  },
                                  "nonce": {
                                    "anyOf": [
                                      { "type": "string" },
                                      { "type": "number" },
                                      {}
                                    ]
                                  },
                                  "deadline": {
                                    "anyOf": [
                                      { "type": "string" },
                                      { "type": "number" },
                                      {}
                                    ]
                                  },
                                  "slippage": {
                                    "type": "object",
                                    "properties": {
                                      "recipient": {
                                        "type": "string",
                                        "pattern": "^0x[a-fA-F0-9]{40}$"
                                      },
                                      "buyToken": {
                                        "type": "string",
                                        "pattern": "^0x[a-fA-F0-9]{40}$"
                                      },
                                      "minAmountOut": {
                                        "anyOf": [
                                          { "type": "string" },
                                          { "type": "number" },
                                          {}
                                        ]
                                      }
                                    },
                                    "required": [
                                      "recipient",
                                      "buyToken",
                                      "minAmountOut"
                                    ],
                                    "additionalProperties": false
                                  }
                                },
                                "required": [
                                  "permitted",
                                  "spender",
                                  "nonce",
                                  "deadline",
                                  "slippage"
                                ],
                                "additionalProperties": false
                              }
                            ]
                          }
                        },
                        "required": [
                          "types",
                          "primaryType",
                          "domain",
                          "message"
                        ],
                        "additionalProperties": false,
                        "description": "The `trade.eip712` from the quote endpoint"
                      },
                      "signature": {
                        "type": "object",
                        "properties": {
                          "signatureType": {
                            "type": "number",
                            "description": "Signature type enum: `2` (EIP712), `3` (EthSign), or `5` (Raw). Determines which other fields are required."
                          },
                          "v": {
                            "type": "number",
                            "description": "ECDSA recovery id. Required when signatureType is `2` (EIP712) or `3` (EthSign)."
                          },
                          "r": {
                            "type": "string",
                            "description": "ECDSA signature r value (hex string). Required when signatureType is `2` (EIP712) or `3` (EthSign)."
                          },
                          "s": {
                            "type": "string",
                            "description": "ECDSA signature s value (hex string). Required when signatureType is `2` (EIP712) or `3` (EthSign)."
                          },
                          "signatureBytes": {
                            "type": "string",
                            "description": "Raw signature bytes (hex string). Required when signatureType is `5` (Raw). Must not be provided for other signature types."
                          }
                        },
                        "required": ["signatureType"],
                        "additionalProperties": false,
                        "description": "A discriminated union based on `signatureType`. For EIP712 (`signatureType: 2`) or EthSign (`signatureType: 3`): provide `v`, `r`, and `s`. For Raw (`signatureType: 5`): provide `signatureBytes` only. Use Raw (`signatureType: 5`) to support smart contract wallets (e.g. ERC-1271) that return opaque signature bytes."
                      }
                    },
                    "required": ["type", "eip712", "signature"],
                    "additionalProperties": false,
                    "description": "The trade object from the quote endpoint including its signature"
                  }
                },
                "required": ["chainId", "trade"],
                "additionalProperties": false
              },
              "example": {
                "approval": {
                  "type": "permit",
                  "hash": "0xe285dfa7b911cdfe64a4c92240d9b5af795e41571163c1cb5d78d7ba5d04fda3",
                  "eip712": {
                    "types": {
                      "EIP712Domain": [
                        { "name": "name", "type": "string" },
                        { "name": "version", "type": "string" },
                        { "name": "chainId", "type": "uint256" },
                        { "name": "verifyingContract", "type": "address" }
                      ],
                      "Permit": [
                        { "name": "owner", "type": "address" },
                        { "name": "spender", "type": "address" },
                        { "name": "value", "type": "uint256" },
                        { "name": "nonce", "type": "uint256" },
                        { "name": "deadline", "type": "uint256" }
                      ]
                    },
                    "domain": {
                      "name": "USD Coin",
                      "version": "2",
                      "chainId": 8453,
                      "verifyingContract": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"
                    },
                    "message": {
                      "owner": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e",
                      "spender": "0x000000000022d473030f116ddee9f6b43ac78ba3",
                      "value": "50000000",
                      "nonce": 0,
                      "deadline": "1718669123"
                    },
                    "primaryType": "Permit"
                  },
                  "signature": {
                    "v": 27,
                    "r": "0xa1be4e6177d95f7e634d7cf8f93021b96e5e4f3d4d8605e85204b97d4a4060eb",
                    "s": "0x371e85adcfa9a5d0f53cc9f467a4230305899e4a18c0174466b8da784a4f9c81",
                    "signatureType": 2
                  }
                },
                "chainId": 8453,
                "trade": {
                  "type": "settler_metatransaction",
                  "hash": "0xb9d8cbda2a8edf0172631f9026da65387692a17d855f27ae6bb7154521f17659",
                  "eip712": {
                    "types": {
                      "PermitWitnessTransferFrom": [
                        { "name": "permitted", "type": "TokenPermissions" },
                        { "name": "spender", "type": "address" },
                        { "name": "nonce", "type": "uint256" },
                        { "name": "deadline", "type": "uint256" },
                        {
                          "name": "slippageAndActions",
                          "type": "SlippageAndActions"
                        }
                      ],
                      "TokenPermissions": [
                        { "name": "token", "type": "address" },
                        { "name": "amount", "type": "uint256" }
                      ],
                      "EIP712Domain": [
                        { "name": "name", "type": "string" },
                        { "name": "chainId", "type": "uint256" },
                        { "name": "verifyingContract", "type": "address" }
                      ],
                      "SlippageAndActions": [
                        { "name": "recipient", "type": "address" },
                        { "name": "buyToken", "type": "address" },
                        { "name": "minAmountOut", "type": "uint256" },
                        { "name": "actions", "type": "bytes[]" }
                      ]
                    },
                    "domain": {
                      "name": "Permit2",
                      "chainId": 8453,
                      "verifyingContract": "0x000000000022d473030f116ddee9f6b43ac78ba3"
                    },
                    "message": {
                      "permitted": {
                        "token": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
                        "amount": "50000000"
                      },
                      "spender": "0x5ce929ddb01804bff35b2f5c77b735bdb094aac8",
                      "nonce": "2241959297937691820908574931991585",
                      "deadline": "1718672122",
                      "slippageAndActions": {
                        "recipient": "0x70a9f34f9b34c64957b9c401a97bfed35b95049e",
                        "buyToken": "0x50c5725949a6f0c72e6c4a641f24049a917db0cb",
                        "minAmountOut": "49793430139340757517",
                        "actions": [
                          "0x0dfeb4190000000000000000000000005ce929ddb01804bff35b2f5c77b735bdb094aac8000000000000000000000000833589fcd6edb6e08f4c7c32d4f71b54bda029130000000000000000000000000000000000000000000000000000000002faf0800000000000000000000000000000000000006e898131631616b1779bad70bc21000000000000000000000000000000000000000000000000000000006670dafa",
                          "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",
                          "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"
                        ]
                      }
                    },
                    "primaryType": "PermitWitnessTransferFrom"
                  },
                  "signature": {
                    "v": 28,
                    "r": "0xeaad7568c0d17ad9e1043a4dd41ce294ed51792a0fb8bed3a3318f7e1df3ff88",
                    "s": "0x09444d25869d91946d7c26f9e5448c7fea369ba9c90deac1d761261565c487d2",
                    "signatureType": 2
                  }
                }
              }
            }
          }
        },
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "tradeHash": {
                      "type": "string",
                      "description": "The hash for the trade according to [EIP-712](https://eips.ethereum.org/EIPS/eip-712)"
                    },
                    "type": {
                      "type": "string",
                      "enum": ["settler_metatransaction", "settler_intent"],
                      "description": "The transaction type determined by the trade route. This is currently just `settler_metatransaction` and could expand to more types in the future"
                    },
                    "zid": {
                      "type": "string",
                      "description": "The unique ZeroEx identifier of the request"
                    }
                  },
                  "required": ["tradeHash", "type", "zid"],
                  "additionalProperties": false
                },
                "example": {
                  "tradeHash": "0xcb3285b35c024fca76037bea9ea4cb68645fed3bdd84030956577de2f1592aa9",
                  "type": "settler_metatransaction",
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INPUT_INVALID" },
                    {
                      "$ref": "#/components/schemas/INSUFFICIENT_BALANCE_OR_ALLOWANCE"
                    },
                    { "$ref": "#/components/schemas/INVALID_SIGNATURE" },
                    { "$ref": "#/components/schemas/INVALID_SIGNER" },
                    {
                      "$ref": "#/components/schemas/META_TRANSACTION_EXPIRY_TOO_SOON"
                    },
                    { "$ref": "#/components/schemas/META_TRANSACTION_INVALID" },
                    {
                      "$ref": "#/components/schemas/PENDING_TRADES_ALREADY_EXIST"
                    },
                    {
                      "$ref": "#/components/schemas/SMART_WALLET_NOT_SUPPORTED"
                    },
                    { "$ref": "#/components/schemas/TRADE_ALREADY_SUBMITTED" }
                  ]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/gasless/status/{tradeHash}": {
      "get": {
        "operationId": "gasless::getStatus",
        "summary": "getStatus",
        "description": "Get the status of a gasless swap",
        "tags": ["Gasless"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "chainId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": " [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
            "example": 8453
          },
          {
            "name": "tradeHash",
            "in": "path",
            "required": true,
            "schema": { "type": "string" },
            "description": "The hash for the trade according to [EIP-712](https://eips.ethereum.org/EIPS/eip-712)",
            "example": "0x6c89e4ac46b246ab72cba02a9fb4f3525b9f8a11ea74262d5dd8ff0e024daf60"
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "type": "object",
                      "properties": {
                        "approvalTransactions": {
                          "type": "array",
                          "items": {
                            "type": "object",
                            "properties": {
                              "hash": {
                                "type": "string",
                                "description": "The onchain transaction hash"
                              },
                              "timestamp": {
                                "type": "integer",
                                "exclusiveMinimum": true,
                                "minimum": 0,
                                "description": "The timestamp when the transaction was submitted onchain"
                              }
                            },
                            "required": ["hash", "timestamp"],
                            "additionalProperties": false
                          },
                          "description": "Details of the gasless approval transaction"
                        },
                        "status": {
                          "type": "string",
                          "enum": [
                            "pending",
                            "submitted",
                            "succeeded",
                            "confirmed"
                          ],
                          "description": "`pending` means that the order has been queued on 0x. `submitted` means that it has been submitted onchain, `succeeded` means it has been included in a block, `confirmed` means the transaction has at least 3 confirmations onchain"
                        },
                        "transactions": {
                          "type": "array",
                          "items": {
                            "type": "object",
                            "properties": {
                              "hash": {
                                "type": "string",
                                "description": "The onchain transaction hash"
                              },
                              "timestamp": {
                                "type": "integer",
                                "exclusiveMinimum": true,
                                "minimum": 0,
                                "description": "The timestamp when the transaction was submitted onchain"
                              }
                            },
                            "required": ["hash", "timestamp"],
                            "additionalProperties": false
                          },
                          "description": "Details of the gasless swap transaction. If the trade is `pending`, no transaction will be returned. If `submitted`, multiple transactions may be returned, but only one will be mined. If `succeeded` or `confirmed`, the mined transaction will be returned"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": ["status", "transactions", "zid"],
                      "additionalProperties": false
                    },
                    {
                      "type": "object",
                      "properties": {
                        "approvalTransactions": {
                          "type": "array",
                          "items": {
                            "type": "object",
                            "properties": {
                              "hash": {
                                "type": "string",
                                "description": "The onchain transaction hash"
                              },
                              "timestamp": {
                                "type": "integer",
                                "exclusiveMinimum": true,
                                "minimum": 0,
                                "description": "The timestamp when the transaction was submitted onchain"
                              }
                            },
                            "required": ["hash", "timestamp"],
                            "additionalProperties": false
                          },
                          "description": "Details of the gasless approval transaction"
                        },
                        "reason": {
                          "type": "string",
                          "enum": [
                            "transaction_simulation_failed",
                            "order_expired",
                            "last_look_declined",
                            "transaction_reverted",
                            "market_maker_sigature_error",
                            "insufficient_allowance",
                            "insufficient_balance",
                            "internal_error"
                          ],
                          "description": "This provides more context about why the transaction failed"
                        },
                        "status": {
                          "type": "string",
                          "enum": ["failed"],
                          "description": "`failed` means that the order failed to be submitted onchain"
                        },
                        "transactions": {
                          "type": "array",
                          "items": {
                            "type": "object",
                            "properties": {
                              "hash": {
                                "type": "string",
                                "description": "The onchain transaction hash"
                              },
                              "timestamp": {
                                "type": "integer",
                                "exclusiveMinimum": true,
                                "minimum": 0,
                                "description": "The timestamp when the transaction was submitted onchain"
                              }
                            },
                            "required": ["hash", "timestamp"],
                            "additionalProperties": false
                          },
                          "description": "Details of the gasless swap transaction. If the trade status is `failed`, there may be 0 (if it failed before submission) to multiple transactions (if the transaction reverted)"
                        },
                        "zid": {
                          "type": "string",
                          "description": "The unique ZeroEx identifier of the request"
                        }
                      },
                      "required": ["reason", "status", "transactions", "zid"],
                      "additionalProperties": false
                    }
                  ]
                },
                "example": {
                  "status": "confirmed",
                  "transactions": [
                    {
                      "hash": "0x36b42bc0ec313cfb9bf5122fbda933cbcce5f557bc3b7197b52223b05d7e596f",
                      "timestamp": 1718662626073
                    }
                  ],
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [{ "$ref": "#/components/schemas/INPUT_INVALID" }]
                }
              }
            }
          },
          "404": {
            "description": "404 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    {
                      "$ref": "#/components/schemas/META_TRANSACTION_STATUS_NOT_FOUND"
                    }
                  ]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/gasless/gasless-approval-tokens": {
      "get": {
        "operationId": "gasless::getGaslessApprovalTokens",
        "summary": "getGaslessApprovalTokens",
        "description": "Get token addresses that support gasless approvals",
        "tags": ["Gasless"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "chainId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
            "example": 8453
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "tokens": {
                      "type": "array",
                      "items": {
                        "type": "string",
                        "pattern": "^0x[a-fA-F0-9]{40}$"
                      },
                      "description": "The list of tokens that can be used for gasless approvals"
                    },
                    "zid": {
                      "type": "string",
                      "description": "The unique ZeroEx identifier of the request"
                    }
                  },
                  "required": ["tokens", "zid"],
                  "additionalProperties": false
                },
                "example": {
                  "tokens": [
                    "0x111111111117dc0aa78b770fa6a738034120c302",
                    "0x7fc66500c84a76ad7e9c93437bfc5ac33e2ddae9",
                    "0xb98d4c97425d9908e66e53a6fdf673acca0be986",
                    "0xed04915c23f00a313a544955524eb7dbd823143d",
                    "0x6b0b3a982b4634ac68dd83a4dbf02311ce324181",
                    "0xac51066d7bec65dc4589368da368b212745d63e8"
                  ],
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [{ "$ref": "#/components/schemas/INPUT_INVALID" }]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/gasless/chains": {
      "get": {
        "operationId": "gasless::chains",
        "summary": "getChains",
        "description": "Get list of supported chains for gasless",
        "tags": ["Gasless"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "chains": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "chainId": { "type": "number" },
                          "chainName": { "type": "string" }
                        },
                        "required": ["chainId", "chainName"],
                        "additionalProperties": false
                      }
                    },
                    "zid": {
                      "type": "string",
                      "description": "The unique ZeroEx identifier of the request"
                    }
                  },
                  "required": ["chains", "zid"],
                  "additionalProperties": false
                },
                "example": [
                  { "chainName": "Ethereum", "chainId": "1" },
                  { "chainName": "Optimism", "chainId": "10" },
                  { "chainName": "BSC", "chainId": "56" },
                  { "chainName": "Polygon", "chainId": "137" },
                  { "chainName": "Base", "chainId": "8453" },
                  { "chainName": "Arbitrum", "chainId": "42161" },
                  { "chainName": "Avalanche", "chainId": "43114" },
                  { "chainName": "Scroll", "chainId": "534352" },
                  { "chainName": "Mantle", "chainId": "5000" },
                  { "chainName": "Blast", "chainId": "81457" },
                  { "chainName": "Mode", "chainId": "34443" }
                ]
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/sources": {
      "get": {
        "operationId": "sources::getSources",
        "summary": "getSources",
        "description": "Get the list of supported sources",
        "tags": ["Sources"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "chainId",
            "in": "query",
            "required": true,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Chain ID. See [here](https://docs.0x.org/docs/introduction/supported-chains) for the list of supported chains",
            "example": 1
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "sources": {
                      "type": "array",
                      "items": { "type": "string" },
                      "description": "The array of liquidity sources aggregated by 0x for the requested chain"
                    },
                    "zid": {
                      "type": "string",
                      "description": "The unique ZeroEx identifier of the request"
                    }
                  },
                  "required": ["sources", "zid"],
                  "additionalProperties": false
                },
                "example": {
                  "sources": [
                    "0x_RFQ",
                    "Ambient",
                    "BalancerV1",
                    "BalancerV2",
                    "BancorV3",
                    "Curve",
                    "DodoV1",
                    "DodoV2",
                    "FraxswapV2",
                    "Integral",
                    "Lido",
                    "MakerPsm",
                    "Maverick",
                    "Origin",
                    "PancakeSwapV3",
                    "RocketPool",
                    "SolidlyV3",
                    "SushiSwap",
                    "Synapse",
                    "UniswapV2",
                    "UniswapV3"
                  ],
                  "zid": "0x111111111111111111111111"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [{ "$ref": "#/components/schemas/INPUT_INVALID" }]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/trade-analytics/swap": {
      "get": {
        "operationId": "tradeAnalytics::swap",
        "summary": "getSwapTrades",
        "description": "Get the list of completed swap trades. Returns a maximum of 200 trades per request. Visit [here](https://docs.0x.org/docs/trade-analytics-api/introduction) for more details about how the API works.",
        "tags": ["Trade Analytics"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "cursor",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "A pagination cursor used to fetch the next page of trades. It should be set to `null` for the initial request; otherwise, it should be the value of `nextCursor` that is returned from `getSwapTrades` or `getGaslessTrades` calls.",
            "example": "eyJ0aW1lc3RhbXAiOjE3MjkwMzIyMTAsInppZCI6IjB4N2FjM2NlMzExNjA2NzU5MGY5M2U3MWVmIn0="
          },
          {
            "name": "startTimestamp",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Unix timestamp in seconds, specifying the starting point of the time range filter. Only trades completed on or after this timestamp will be included in the response.",
            "example": 1729032210
          },
          {
            "name": "endTimestamp",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Unix timestamp in seconds, specifying the end point of the time range filter. Only trades completed on or before this timestamp will be included in the response.",
            "example": 1729032211
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "nextCursor": {
                      "type": "string",
                      "nullable": true,
                      "description": "The cursor to fetch the next page of trades. If not present, there are no more trades to fetch for given parameters."
                    },
                    "trades": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "appName": {
                            "type": "string",
                            "description": "The name of the app that initiated the trade"
                          },
                          "blockNumber": {
                            "type": "string",
                            "description": "The block number at which the trade was executed"
                          },
                          "buyToken": {
                            "type": "string",
                            "pattern": "^0x[a-fA-F0-9]{40}$",
                            "description": "The contract address of the token received by the taker"
                          },
                          "buyAmount": {
                            "type": "string",
                            "nullable": true,
                            "description": "The settled amount on the `buyToken`, formatted by the token decimals"
                          },
                          "chainId": {
                            "type": "integer",
                            "exclusiveMinimum": true,
                            "minimum": 0,
                            "description": "The ID of the chain where the trade was executed"
                          },
                          "chainName": {
                            "type": "string",
                            "description": "The name of the chain where the trade was executed"
                          },
                          "fees": {
                            "type": "object",
                            "properties": {
                              "integratorFee": {
                                "type": "object",
                                "properties": {
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the token in which the integrator collected a fee",
                                    "nullable": true
                                  },
                                  "amount": {
                                    "type": "string",
                                    "nullable": true,
                                    "description": "The amount of the integrator fee, formatted by the token decimals"
                                  },
                                  "amountUsd": {
                                    "type": "string",
                                    "nullable": true,
                                    "description": "The amount of the integrator fee in USD."
                                  }
                                },
                                "required": ["token", "amount", "amountUsd"],
                                "additionalProperties": false,
                                "description": "The details about the fee collected by integrator",
                                "nullable": true
                              },
                              "zeroExFee": {
                                "type": "object",
                                "properties": {
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the token in which 0x collected a fee",
                                    "nullable": true
                                  },
                                  "amount": {
                                    "type": "string",
                                    "nullable": true,
                                    "description": "The amount of the 0x fee, formatted by the token decimals"
                                  },
                                  "amountUsd": {
                                    "type": "string",
                                    "nullable": true,
                                    "description": "The amount of the 0x fee in USD."
                                  }
                                },
                                "required": ["token", "amount", "amountUsd"],
                                "additionalProperties": false,
                                "description": "The details about the fee collected by 0x",
                                "nullable": true
                              }
                            },
                            "required": ["integratorFee", "zeroExFee"],
                            "additionalProperties": false,
                            "description": "The details about fees collected for the trade"
                          },
                          "gasUsed": {
                            "type": "string",
                            "description": "The amount of gas used in the trade"
                          },
                          "protocolVersion": {
                            "type": "string",
                            "enum": ["0xv4", "Settler"],
                            "description": "The version of the 0x protocol used to execute the trade"
                          },
                          "sellToken": {
                            "type": "string",
                            "pattern": "^0x[a-fA-F0-9]{40}$",
                            "description": "The contract address of the token spent by the taker"
                          },
                          "sellAmount": {
                            "type": "string",
                            "nullable": true,
                            "description": "The amount of the `sellToken`, formatted by the token decimals"
                          },
                          "slippageBps": {
                            "type": "string",
                            "nullable": true,
                            "description": "The slippage of the `buyToken` in bps"
                          },
                          "taker": {
                            "type": "string",
                            "pattern": "^0x[a-fA-F0-9]{40}$",
                            "description": "The wallet address of the taker​"
                          },
                          "timestamp": {
                            "type": "integer",
                            "exclusiveMinimum": true,
                            "minimum": 0,
                            "description": "The timestamp of the block containing the trade"
                          },
                          "tokens": {
                            "type": "array",
                            "items": {
                              "type": "object",
                              "properties": {
                                "address": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The contract address of the token"
                                },
                                "symbol": {
                                  "type": "string",
                                  "nullable": true,
                                  "description": "The symbol of the token"
                                }
                              },
                              "required": ["address", "symbol"],
                              "additionalProperties": false,
                              "description": "Properties of the token involved in the trade"
                            },
                            "description": "Properties of the tokens involved in the trade"
                          },
                          "transactionHash": {
                            "type": "string",
                            "description": "The trade's transaction hash"
                          },
                          "volumeUsd": {
                            "type": "string",
                            "nullable": true,
                            "description": "The total volume of the trade in USD. This value is based on an estimate of the token price at the point of execution."
                          },
                          "zid": {
                            "type": "string",
                            "description": "The `zid` corresponding to the trade"
                          },
                          "service": { "type": "string", "enum": ["swap"] }
                        },
                        "required": [
                          "appName",
                          "blockNumber",
                          "buyToken",
                          "buyAmount",
                          "chainId",
                          "chainName",
                          "fees",
                          "gasUsed",
                          "protocolVersion",
                          "sellToken",
                          "sellAmount",
                          "slippageBps",
                          "taker",
                          "timestamp",
                          "tokens",
                          "transactionHash",
                          "volumeUsd",
                          "zid",
                          "service"
                        ],
                        "additionalProperties": false
                      }
                    },
                    "zid": {
                      "type": "string",
                      "description": "The unique ZeroEx identifier of the request"
                    }
                  },
                  "required": ["nextCursor", "trades", "zid"],
                  "additionalProperties": false
                },
                "example": {
                  "nextCursor": null,
                  "trades": [
                    {
                      "appName": "Example app",
                      "blockNumber": "123456",
                      "buyToken": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
                      "buyAmount": "0.0512",
                      "chainId": 1,
                      "fees": { "integratorFee": null, "zeroExFee": null },
                      "gasUsed": "141111",
                      "protocolVersion": "Settler",
                      "sellToken": "0x4d1c297d39c5c1277964d0e3f8aqqqq493664530",
                      "sellAmount": "123.111",
                      "slippageBps": "1",
                      "taker": "0x23f2ad8e04dfdc0000a3e80891e3ae43f322000a",
                      "timestamp": 1777772227,
                      "tokens": [
                        {
                          "address": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
                          "symbol": "ETH"
                        },
                        {
                          "address": "0xaaaaaaaaaaaaaa277964d0e3f8aa901493664530",
                          "symbol": "TKN"
                        }
                      ],
                      "transactionHash": "0x42bad789ddd64aaaaaaaaaaaceb795063f5623558f130e0f4d30ad399b041411",
                      "volumeUsd": "139.73",
                      "zid": "0x04baaaaaaa1f1af0304eb412",
                      "service": "swap"
                    }
                  ],
                  "zid": "0xaaaaaae1b3bf43f082d5012d"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [{ "$ref": "#/components/schemas/INPUT_INVALID" }]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    },
    "/trade-analytics/gasless": {
      "get": {
        "operationId": "tradeAnalytics::gasless",
        "summary": "getGaslessTrades",
        "description": "Get the list of completed gasless trades. Returns a maximum of 200 trades per request. Visit [here](https://docs.0x.org/docs/trade-analytics-api/introduction) for more details about how the API works.",
        "tags": ["Trade Analytics"],
        "parameters": [
          {
            "description": "Visit dashboard.0x.org to get your API Key",
            "in": "header",
            "name": "0x-api-key",
            "required": true,
            "schema": { "type": "string" }
          },
          {
            "description": "API version",
            "in": "header",
            "name": "0x-version",
            "required": true,
            "schema": { "type": "string", "example": "v2" }
          },
          {
            "name": "cursor",
            "in": "query",
            "required": false,
            "schema": { "type": "string" },
            "description": "A pagination cursor used to fetch the next page of trades. It should be set to `null` for the initial request; otherwise, it should be the value of `nextCursor` that is returned from `getSwapTrades` or `getGaslessTrades` calls.",
            "example": "eyJ0aW1lc3RhbXAiOjE3MjkwMzIyMTAsInppZCI6IjB4N2FjM2NlMzExNjA2NzU5MGY5M2U3MWVmIn0="
          },
          {
            "name": "startTimestamp",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Unix timestamp in seconds, specifying the starting point of the time range filter. Only trades completed on or after this timestamp will be included in the response.",
            "example": 1729032210
          },
          {
            "name": "endTimestamp",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "exclusiveMinimum": true,
              "minimum": 0
            },
            "description": "Unix timestamp in seconds, specifying the end point of the time range filter. Only trades completed on or before this timestamp will be included in the response.",
            "example": 1729032211
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "nextCursor": {
                      "type": "string",
                      "nullable": true,
                      "description": "The cursor to fetch the next page of trades. If not present, there are no more trades to fetch for given parameters."
                    },
                    "trades": {
                      "type": "array",
                      "items": {
                        "type": "object",
                        "properties": {
                          "appName": {
                            "type": "string",
                            "description": "The name of the app that initiated the trade"
                          },
                          "blockNumber": {
                            "type": "string",
                            "description": "The block number at which the trade was executed"
                          },
                          "buyToken": {
                            "type": "string",
                            "pattern": "^0x[a-fA-F0-9]{40}$",
                            "description": "The contract address of the token received by the taker"
                          },
                          "buyAmount": {
                            "type": "string",
                            "nullable": true,
                            "description": "The settled amount on the `buyToken`, formatted by the token decimals"
                          },
                          "chainId": {
                            "type": "integer",
                            "exclusiveMinimum": true,
                            "minimum": 0,
                            "description": "The ID of the chain where the trade was executed"
                          },
                          "chainName": {
                            "type": "string",
                            "description": "The name of the chain where the trade was executed"
                          },
                          "fees": {
                            "type": "object",
                            "properties": {
                              "integratorFee": {
                                "type": "object",
                                "properties": {
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the token in which the integrator collected a fee",
                                    "nullable": true
                                  },
                                  "amount": {
                                    "type": "string",
                                    "nullable": true,
                                    "description": "The amount of the integrator fee, formatted by the token decimals"
                                  },
                                  "amountUsd": {
                                    "type": "string",
                                    "nullable": true,
                                    "description": "The amount of the integrator fee in USD."
                                  }
                                },
                                "required": ["token", "amount", "amountUsd"],
                                "additionalProperties": false,
                                "description": "The details about the fee collected by integrator",
                                "nullable": true
                              },
                              "zeroExFee": {
                                "type": "object",
                                "properties": {
                                  "token": {
                                    "type": "string",
                                    "pattern": "^0x[a-fA-F0-9]{40}$",
                                    "description": "The contract address of the token in which 0x collected a fee",
                                    "nullable": true
                                  },
                                  "amount": {
                                    "type": "string",
                                    "nullable": true,
                                    "description": "The amount of the 0x fee, formatted by the token decimals"
                                  },
                                  "amountUsd": {
                                    "type": "string",
                                    "nullable": true,
                                    "description": "The amount of the 0x fee in USD."
                                  }
                                },
                                "required": ["token", "amount", "amountUsd"],
                                "additionalProperties": false,
                                "description": "The details about the fee collected by 0x",
                                "nullable": true
                              }
                            },
                            "required": ["integratorFee", "zeroExFee"],
                            "additionalProperties": false,
                            "description": "The details about fees collected for the trade"
                          },
                          "gasUsed": {
                            "type": "string",
                            "description": "The amount of gas used in the trade"
                          },
                          "protocolVersion": {
                            "type": "string",
                            "enum": ["0xv4", "Settler"],
                            "description": "The version of the 0x protocol used to execute the trade"
                          },
                          "sellToken": {
                            "type": "string",
                            "pattern": "^0x[a-fA-F0-9]{40}$",
                            "description": "The contract address of the token spent by the taker"
                          },
                          "sellAmount": {
                            "type": "string",
                            "nullable": true,
                            "description": "The amount of the `sellToken`, formatted by the token decimals"
                          },
                          "slippageBps": {
                            "type": "string",
                            "nullable": true,
                            "description": "The slippage of the `buyToken` in bps"
                          },
                          "taker": {
                            "type": "string",
                            "pattern": "^0x[a-fA-F0-9]{40}$",
                            "description": "The wallet address of the taker​"
                          },
                          "timestamp": {
                            "type": "integer",
                            "exclusiveMinimum": true,
                            "minimum": 0,
                            "description": "The timestamp of the block containing the trade"
                          },
                          "tokens": {
                            "type": "array",
                            "items": {
                              "type": "object",
                              "properties": {
                                "address": {
                                  "type": "string",
                                  "pattern": "^0x[a-fA-F0-9]{40}$",
                                  "description": "The contract address of the token"
                                },
                                "symbol": {
                                  "type": "string",
                                  "nullable": true,
                                  "description": "The symbol of the token"
                                }
                              },
                              "required": ["address", "symbol"],
                              "additionalProperties": false,
                              "description": "Properties of the token involved in the trade"
                            },
                            "description": "Properties of the tokens involved in the trade"
                          },
                          "transactionHash": {
                            "type": "string",
                            "description": "The trade's transaction hash"
                          },
                          "volumeUsd": {
                            "type": "string",
                            "nullable": true,
                            "description": "The total volume of the trade in USD. This value is based on an estimate of the token price at the point of execution."
                          },
                          "zid": {
                            "type": "string",
                            "description": "The `zid` corresponding to the trade"
                          },
                          "service": { "type": "string", "enum": ["gasless"] }
                        },
                        "required": [
                          "appName",
                          "blockNumber",
                          "buyToken",
                          "buyAmount",
                          "chainId",
                          "chainName",
                          "fees",
                          "gasUsed",
                          "protocolVersion",
                          "sellToken",
                          "sellAmount",
                          "slippageBps",
                          "taker",
                          "timestamp",
                          "tokens",
                          "transactionHash",
                          "volumeUsd",
                          "zid",
                          "service"
                        ],
                        "additionalProperties": false
                      }
                    },
                    "zid": {
                      "type": "string",
                      "description": "The unique ZeroEx identifier of the request"
                    }
                  },
                  "required": ["nextCursor", "trades", "zid"],
                  "additionalProperties": false
                },
                "example": {
                  "nextCursor": null,
                  "trades": [
                    {
                      "appName": "Example app",
                      "blockNumber": "123456",
                      "buyToken": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
                      "buyAmount": "0.0512",
                      "chainId": 1,
                      "fees": { "integratorFee": null, "zeroExFee": null },
                      "gasUsed": "141111",
                      "protocolVersion": "Settler",
                      "sellToken": "0x4d1c297d39c5c1277964d0e3f8aqqqq493664530",
                      "sellAmount": "123.111",
                      "slippageBps": "1",
                      "taker": "0x23f2ad8e04dfdc0000a3e80891e3ae43f322000a",
                      "timestamp": 1777772227,
                      "tokens": [
                        {
                          "address": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
                          "symbol": "ETH"
                        },
                        {
                          "address": "0xaaaaaaaaaaaaaa277964d0e3f8aa901493664530",
                          "symbol": "TKN"
                        }
                      ],
                      "transactionHash": "0x42bad789ddd64aaaaaaaaaaaceb795063f5623558f130e0f4d30ad399b041411",
                      "volumeUsd": "139.73",
                      "zid": "0x04baaaaaaa1f1af0304eb412",
                      "service": "gasless"
                    }
                  ],
                  "zid": "0xaaaaaae1b3bf43f082d5012d"
                }
              }
            }
          },
          "400": {
            "description": "400 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [{ "$ref": "#/components/schemas/INPUT_INVALID" }]
                }
              }
            }
          },
          "500": {
            "description": "500 error response",
            "content": {
              "application/json": {
                "schema": {
                  "anyOf": [
                    { "$ref": "#/components/schemas/INTERNAL_SERVER_ERROR" },
                    { "$ref": "#/components/schemas/UNCATEGORIZED" }
                  ]
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "ApiKeyAuth": { "type": "apiKey", "in": "header", "name": "0x-api-key" }
    },
    "responses": {
      "error": {
        "description": "Error response",
        "content": {
          "application/json": {
            "schema": {
              "type": "object",
              "properties": {
                "message": { "type": "string" },
                "code": { "type": "string" },
                "issues": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "properties": { "message": { "type": "string" } },
                    "required": ["message"],
                    "additionalProperties": false
                  }
                }
              },
              "required": ["message", "code"],
              "additionalProperties": false
            }
          }
        }
      }
    },
    "schemas": {
      "BUY_TOKEN_NOT_AUTHORIZED_FOR_TRADE": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "enum": ["BUY_TOKEN_NOT_AUTHORIZED_FOR_TRADE"]
          },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "INPUT_INVALID": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["INPUT_INVALID"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "details": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "field": {
                      "type": "string",
                      "description": "The input field name"
                    },
                    "reason": {
                      "type": "string",
                      "description": "The validation failure reason"
                    }
                  },
                  "required": ["field", "reason"],
                  "additionalProperties": false
                },
                "description": "The list of invalid inputs"
              }
            },
            "required": ["zid", "details"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "INSUFFICIENT_BALANCE": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["INSUFFICIENT_BALANCE"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "taker": {
                "type": "string",
                "pattern": "^0x[a-fA-F0-9]{40}$",
                "description": "The taker of the transaction"
              },
              "sellToken": {
                "type": "string",
                "pattern": "^0x[a-fA-F0-9]{40}$",
                "description": "The sell token"
              },
              "sellAmount": {
                "allOf": [
                  {},
                  {
                    "type": "string",
                    "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                  }
                ],
                "description": "The sell amount"
              },
              "balance": {
                "allOf": [
                  {},
                  {
                    "type": "string",
                    "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                  }
                ],
                "description": "The current balance of the taker for the sell token"
              }
            },
            "required": ["zid", "taker", "sellToken", "sellAmount", "balance"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "INSUFFICIENT_BALANCE_OR_ALLOWANCE": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "enum": ["INSUFFICIENT_BALANCE_OR_ALLOWANCE"]
          },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "metaTransactionHash": {
                "type": "string",
                "description": "The hash of the meta-transaction provided by the caller"
              },
              "taker": {
                "type": "string",
                "pattern": "^0x[a-fA-F0-9]{40}$",
                "description": "The intended signer of the meta-transaction"
              },
              "sellToken": {
                "type": "string",
                "pattern": "^0x[a-fA-F0-9]{40}$",
                "description": "The sell token"
              },
              "sellAmount": {
                "allOf": [
                  {},
                  {
                    "type": "string",
                    "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                  }
                ],
                "description": "The sell amount"
              },
              "minBalanceOrAllowance": {
                "allOf": [
                  {},
                  {
                    "type": "string",
                    "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                  }
                ],
                "description": "The smaller value of the balance or the allowance of the taker"
              }
            },
            "required": [
              "zid",
              "metaTransactionHash",
              "taker",
              "sellToken",
              "sellAmount",
              "minBalanceOrAllowance"
            ],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "INTERNAL_SERVER_ERROR": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["INTERNAL_SERVER_ERROR"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "INVALID_SIGNATURE": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["INVALID_SIGNATURE"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "metaTransactionHash": {
                "type": "string",
                "description": "The hash of the meta-transaction provided by the caller"
              },
              "taker": {
                "type": "string",
                "pattern": "^0x[a-fA-F0-9]{40}$",
                "description": "The intended signer of the meta-transaction"
              }
            },
            "required": ["zid", "metaTransactionHash", "taker"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "INVALID_SIGNER": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["INVALID_SIGNER"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "metaTransactionHash": {
                "type": "string",
                "description": "The hash of the meta-transaction provided by the caller"
              },
              "taker": {
                "type": "string",
                "pattern": "^0x[a-fA-F0-9]{40}$",
                "description": "The intended signer of the meta-transaction"
              },
              "signer": {
                "type": "string",
                "pattern": "^0x[a-fA-F0-9]{40}$",
                "description": "The signer of the meta-transaction"
              }
            },
            "required": ["zid", "metaTransactionHash", "taker", "signer"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "META_TRANSACTION_EXPIRY_TOO_SOON": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "enum": ["META_TRANSACTION_EXPIRY_TOO_SOON"]
          },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "metaTransactionHash": {
                "type": "string",
                "description": "The hash of the meta-transaction provided by the caller"
              },
              "expiry": {
                "allOf": [
                  {},
                  {
                    "type": "string",
                    "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                  }
                ],
                "description": "The expiry of the meta-transaction provided by the caller in ms"
              }
            },
            "required": ["zid", "metaTransactionHash", "expiry"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "META_TRANSACTION_INVALID": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["META_TRANSACTION_INVALID"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "metaTransactionHash": {
                "type": "string",
                "description": "The hash of the meta-transaction provided by the caller"
              }
            },
            "required": ["zid", "metaTransactionHash"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "META_TRANSACTION_STATUS_NOT_FOUND": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "enum": ["META_TRANSACTION_STATUS_NOT_FOUND"]
          },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "PENDING_TRADES_ALREADY_EXIST": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "enum": ["PENDING_TRADES_ALREADY_EXIST"]
          },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "metaTransactionHash": {
                "type": "string",
                "description": "The hash of the meta-transaction provided by the caller"
              },
              "pendingMetaTransactionHashes": {
                "type": "array",
                "items": { "type": "string" },
                "description": "The list of pending meta-transaction hashes for the same taker and sell token"
              }
            },
            "required": [
              "zid",
              "metaTransactionHash",
              "pendingMetaTransactionHashes"
            ],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "SELL_AMOUNT_TOO_SMALL": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["SELL_AMOUNT_TOO_SMALL"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "minSellAmount": {
                "allOf": [
                  {},
                  {
                    "type": "string",
                    "pattern": "^[-+]?(0|[1-9]\\d*)(\\.\\d+)?$"
                  }
                ],
                "description": "The minimum sell amount required for the trade to go through"
              }
            },
            "required": ["zid", "minSellAmount"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "RECIPIENT_NOT_SUPPORTED": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["RECIPIENT_NOT_SUPPORTED"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "SELL_TOKEN_NOT_AUTHORIZED_FOR_TRADE": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "enum": ["SELL_TOKEN_NOT_AUTHORIZED_FOR_TRADE"]
          },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "SMART_WALLET_NOT_SUPPORTED": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["SMART_WALLET_NOT_SUPPORTED"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "taker": {
                "type": "string",
                "description": "The smart wallet address that was rejected"
              },
              "chainId": {
                "type": "number",
                "description": "The chain where smart wallets are not supported"
              }
            },
            "required": ["zid", "taker", "chainId"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "SWAP_VALIDATION_FAILED": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["SWAP_VALIDATION_FAILED"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "TAKER_NOT_AUTHORIZED_FOR_TRADE": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "enum": ["TAKER_NOT_AUTHORIZED_FOR_TRADE"]
          },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "RECIPIENT_NOT_AUTHORIZED_FOR_TRADE": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "enum": ["RECIPIENT_NOT_AUTHORIZED_FOR_TRADE"]
          },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "XSTOCKS_NOT_AUTHORIZED": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["XSTOCKS_NOT_AUTHORIZED"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "TOKEN_NOT_SUPPORTED": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["TOKEN_NOT_SUPPORTED"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "USER_NOT_AUTHORIZED": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["USER_NOT_AUTHORIZED"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "TOKEN_PAIR_NOT_SUPPORTED": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["TOKEN_PAIR_NOT_SUPPORTED"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "TRADE_ALREADY_SUBMITTED": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["TRADE_ALREADY_SUBMITTED"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              },
              "tradeHash": {
                "type": "string",
                "description": "The hash of the trade that was already submitted"
              }
            },
            "required": ["zid", "tradeHash"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "UNABLE_TO_CALCULATE_GAS_FEE": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["UNABLE_TO_CALCULATE_GAS_FEE"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      },
      "UNCATEGORIZED": {
        "type": "object",
        "properties": {
          "name": { "type": "string", "enum": ["UNCATEGORIZED"] },
          "message": { "type": "string" },
          "data": {
            "type": "object",
            "properties": {
              "zid": {
                "type": "string",
                "description": "The unique ZeroEx identifier of the request"
              }
            },
            "required": ["zid"],
            "additionalProperties": false
          }
        },
        "required": ["name", "message", "data"],
        "additionalProperties": false
      }
    }
  },
  "tags": [
    { "name": "Swap", "description": "Swap API endpoints" },
    { "name": "Gasless", "description": "Gasless API endpoints" },
    { "name": "Sources", "description": "Sources API endpoints" },
    {
      "name": "Trade Analytics",
      "description": "Trade Analytics API endpoints"
    }
  ]
}