Request body schema for vouchers/{code}/balance.
| Name | Type | Description |
|---|---|---|
| amount | Integer | The incremental amount to be added to or removed from the current balance on the gift card or loyalty card. The value is multiplied by 100 to represent 2 decimal places. For example `10000 cents` for `$100.00`. To remove balance, simply add a minus sign before the value, i.e. to remove $20, use -2000. |
| sourceId | String | The merchant's transaction ID if it is different from the Voucherify transaction ID. It is really useful in case of an integration between multiple systems. It can be a transaction ID from a CRM system, database or 3rd-party service. |
| reason | String | Reason why the transaction occurred. |