> ## 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.

# invalid_request

> HTTP 400 — Generic malformed or invalid request.

## HTTP status

`400 invalid_request_error`

## Typical cause

The request body is malformed, unparseable, or fails a generic validation check. Used when no more specific code applies.

## Resolution

Re-check the request payload against the OpenAPI schema. For specific field errors the response carries a more specific `code`.