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+---
+layout: integration
+name: Synap
+description: Add persistent, cross-session user memory to your Haystack agents and pipelines with Synap
+authors:
+    - name: Maximem
+      socials:
+        github: maximem-ai
+        linkedin: https://www.linkedin.com/company/maximem/
+pypi: https://pypi.org/project/maximem-synap-haystack/
+repo: https://github.com/maximem-ai/maximem_synap_sdk/tree/main/packages/integrations/synap-haystack
+type: Memory Store
+report_issue: https://github.com/maximem-ai/maximem_synap/issues
+version: Haystack 2.0
+toc: true
+---
+
+### Table of Contents
+
+- [Overview](#overview)
+- [Installation](#installation)
+- [Usage](#usage)
+  - [Available Classes](#available-classes)
+  - [Standalone Memory Operations](#standalone-memory-operations)
+  - [Use in a Pipeline](#use-in-a-pipeline)
+- [More Resources](#more-resources)
+- [License](#license)
+
+## Overview
+
+[Synap](https://maximem.ai) is a managed long-term memory layer for AI agents. It runs a full extraction pipeline on every conversation turn — automatically identifying facts, preferences, episodes, emotions, and temporal events — and retrieves only what is semantically relevant to the current query.
+
+The `maximem-synap-haystack` package provides a Haystack-native memory store that follows the same shape as `mem0-haystack`:
+
+- **`SynapMemoryStore`**: A persistent memory store backed by the Synap API. Owns all SDK interaction (`add_memories` / `search_memories` / `search_memories_as_single_message`).
+- **`SynapMemoryRetriever`** and **`SynapMemoryWriter`**: Pipeline `@component` classes for retrieving memories as `ChatMessage` objects and writing conversation turns to the store.
+- **`SynapRetriever`**: An additional `@component` that returns memories as `Document` objects for classic RAG-style pipelines.
+
+Memory is scoped to the `user_id` and `customer_id` you provide, ensuring strict isolation in multi-tenant applications.
+
+More information:
+
+- [Synap website](https://maximem.ai)
+- [Synap documentation](https://docs.maximem.ai)
+- [Synap GitHub repository](https://github.com/maximem-ai/maximem_synap_sdk)
+
+## Installation
+
+```bash
+pip install maximem-synap-haystack
+```
+
+Set your Synap API key:
+
+```bash
+export SYNAP_API_KEY="your-synap-api-key"
+```
+
+You can obtain an API key at [synap.maximem.ai](https://synap.maximem.ai).
+
+## Usage
+
+### Available Classes
+
+- **`SynapMemoryStore`**: The memory store — a plain object (not a `@component`) that owns all Synap SDK interaction. Use it directly for standalone read/write, or pass it to the components below.
+- **`SynapMemoryRetriever`**: Retrieves memories from Synap as system `ChatMessage` objects. Mem0-shaped chat read path.
+- **`SynapMemoryWriter`**: Writes user / assistant `ChatMessage` objects to Synap. Returns per-message status so callers can branch on partial failures.
+- **`SynapRetriever`**: Alternate retriever that returns Haystack `Document` objects (RAG-style read path).
+
+### Standalone Memory Operations
+
+You can use `SynapMemoryStore` directly to add and search memories:
+
+```python
+import os
+
+from haystack.dataclasses import ChatMessage
+from maximem_synap import MaximemSynapSDK
+from synap_haystack import SynapMemoryStore
+
+sdk = MaximemSynapSDK(api_key=os.environ["SYNAP_API_KEY"])
+store = SynapMemoryStore(sdk, user_id="alice", customer_id="acme_corp")
+
+# Write — extracted server-side into long-term memory
+store.add_memories(
+    messages=[ChatMessage.from_user("I prefer window seats and aisle on red-eyes.")],
+    conversation_id="conv_abc",
+)
+
+# Read — semantic, query-driven
+memories = store.search_memories(query="seat preference")
+for msg in memories:
+    print(msg.text)
+
+# Single-message variant — useful for prompt injection
+context = store.search_memories_as_single_message(query="seat preference")
+```
+
+### Use in a Pipeline
+
+`SynapMemoryRetriever` and `SynapMemoryWriter` are thin `@component` wrappers around the store. Construct the store once and share it across both:
+
+```python
+import os
+
+from haystack import Pipeline
+from haystack.components.builders import ChatPromptBuilder
+from haystack.components.generators.chat import OpenAIChatGenerator
+from maximem_synap import MaximemSynapSDK
+from synap_haystack import SynapMemoryRetriever, SynapMemoryStore, SynapMemoryWriter
+
+sdk = MaximemSynapSDK(api_key=os.environ["SYNAP_API_KEY"])
+store = SynapMemoryStore(sdk, user_id="alice", customer_id="acme_corp")
+
+pipeline = Pipeline()
+pipeline.add_component("memory_retriever", SynapMemoryRetriever(store=store))
+pipeline.add_component("prompt_builder", ChatPromptBuilder())
+pipeline.add_component("llm", OpenAIChatGenerator(model="gpt-4o"))
+pipeline.add_component("memory_writer", SynapMemoryWriter(store=store))
+
+pipeline.connect("memory_retriever.messages", "prompt_builder.template")
+pipeline.connect("prompt_builder.prompt", "llm.messages")
+```
+
+For classic RAG pipelines that want `Document` objects rather than `ChatMessage` objects, use `SynapRetriever` instead of `SynapMemoryRetriever` — same store, different output shape.
+
+## More Resources
+
+- [Synap Documentation](https://docs.maximem.ai)
+- [Haystack Integration Guide](https://docs.maximem.ai/integrations/haystack)
+- [Dashboard](https://synap.maximem.ai)
+- [PyPI: maximem-synap-haystack](https://pypi.org/project/maximem-synap-haystack/)
+- [Open source integration package](https://github.com/maximem-ai/maximem_synap_sdk/tree/main/packages/integrations/synap-haystack)
+
+## License
+
+`maximem-synap-haystack` is released under the [Apache License 2.0](https://github.com/maximem-ai/maximem_synap_sdk/blob/main/LICENSE).