# Error Handling

The table below lists the possible error codes our API response might return for improper request:

| Error Code | Description |  |
| --- | --- | --- |
| 204 | No content available - no relevant facts were found |  |
| 400 | Invalid request - a valid UUID is required |  |
| 400 | Invalid request - text length must be between 100 and 3000 characters |  |
| 400 | Invalid request - post_text, post_link, post_date only supported with POST requests |  |
| 401 | Unauthorized - token missing or incorrect |  |
| 402 | Not enough API calls available |  |