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

# Error Codes

List of error codes & causes

| Code                       | Cause                             |
| -------------------------- | --------------------------------- |
| 400 - Invalid Request      | Misconfigured request             |
| 401 - Authentication Error | Missing or Invalid API Key        |
| 403 - Forbidden            |                                   |
| 404 - Not Found            | Invalid Endpoint URL              |
| 422 - Validation Errors    | Expiration date must be in future |
| 500 - Server Error         | Unknown server error              |