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

# Status Codes & Errors

> Handle API responses and errors

<Note>
  Not all API status codes are currently documented by Wiza. This documentation contains the most common codes. If you encounter a status that does not make sense, contact Wiza's support team for further assistance.
</Note>

## HTTP Status Codes

| Status Code | Description                                          |
| ----------- | ---------------------------------------------------- |
| 400         | Invalid request format or parameters                 |
| 401         | Authentication failed or missing credentials         |
| 403         | Forbidden                                            |
| 404         | Assigned User not granted access or record not found |
| 429         | Usage limits exceeded                                |

## Billing Issue Status Code

Billing issues return a `200` response, but the reveal does not run. The record is marked as `status: "failed"` with `fail_error: "billing_issue"`, indicating processing was blocked due to missing credits or an unresolved payment.