> ## Documentation Index
> Fetch the complete documentation index at: https://getoverlay.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Memory and knowledge

> Store durable user memory and search saved knowledge.

Memory routes manage durable facts and preferences:

```http theme={null}
GET /api/v1/memory
POST /api/v1/memory
PATCH /api/v1/memory
DELETE /api/v1/memory
```

Knowledge search uses:

```http theme={null}
POST /api/v1/knowledge/search
```

Knowledge search may combine uploaded files, memory, notes and indexed document content, depending on active capabilities and the caller's scope.

When vector search is disabled, route behavior should remain deterministic and avoid crashing the app shell.


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.