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

# Error Handling

> API error responses and handling

## Error Format

```json theme={null}
{
  "errors": [
    {
      "message": "Error description",
      "extensions": {
        "code": "ERROR_CODE"
      }
    }
  ]
}
```

## Common Error Codes

* `UNAUTHENTICATED`: Invalid or missing authentication
* `FORBIDDEN`: Insufficient permissions
* `NOT_FOUND`: Resource not found
* `VALIDATION_ERROR`: Invalid input data