> ## 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_api_key

> HTTP 401 — API key is missing, malformed, revoked, or unrecognized.

## HTTP status

`401 authentication_error`

## Typical cause

The API key in the `Authorization: Bearer` header is missing, malformed, revoked, or doesn't match any active key.

## Resolution

Check the key value in your dashboard. Generate a new key if needed and update any stored credentials.