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

# Input Limits

> Request size limits, character limits, and validation constraints.

| Constraint             | Limit                         |
| ---------------------- | ----------------------------- |
| Request body size      | 64 KB                         |
| Content length         | 8,192 characters              |
| Metadata size          | 4,096 bytes (JSON serialized) |
| Metadata keys          | 20 max                        |
| Metadata nesting depth | 3 levels                      |
| Tags per memory        | 10 max                        |
| Tag length             | 64 characters                 |
| Recall limit           | 1–100 results                 |
| Recall min\_similarity | 0.0–1.0                       |
| Namespace length       | 255 characters                |
| Batch size             | 100 memories                  |
| Recall query length    | 32,768 characters             |
| Search query length    | 1,000 characters              |

<Info>
  Exceeding any limit returns a `422 VALIDATION_ERROR` with details about which constraint was violated.
</Info>