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

# Error Codes

| Code | Meaning                     | Resolution                                                                             |
| ---- | --------------------------- | -------------------------------------------------------------------------------------- |
| 400  | Bad Request                 | Check your request body for missing or malformed fields.                               |
| 401  | Unauthorized                | API key missing or invalid. Verify in your API Keys dashboard.                         |
| 402  | Payment Required            | Insufficient credits. Add credits via the Billing page.                                |
| 403  | Forbidden                   | Your account lacks permission for this action.                                         |
| 429  | Rate Limit / Quota Exceeded | Exceeded requests per minute or spend quota. Wait and retry, or review quota settings. |
| 500  | Internal Server Error       | Unexpected error on Sciforium's end. Retry the request.                                |
| 503  | Service Unavailable         | Model temporarily unavailable. Check status and retry.                                 |