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

# payload_too_large

> HTTP 413 — Request body exceeds the size limit.

## HTTP status

`413 invalid_request_error`

## Typical cause

The serialized request body is larger than the endpoint's maximum payload size.

## Resolution

Trim or chunk the request (fewer messages, shorter content) and retry.