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

# Errors

> Troubleshoot problems with this comprehensive breakdown of all error codes.

Formbox API returns machine readable error codes, human readable error messages.

Here is how an error response looks like:

```json theme={null}
{
  "error": {
    "code": "not_found",
    "message": "The requested resource was not found."
  }
}
```

## Error Codes

Here is a list of all error codes the Formbox API returns:

### `bad_request`

* **Status:** 400
* **Problem:** The request is malformed, either missing required fields, using wrong datatypes, or being syntactically incorrect.
* **Solution:** Check the request and make sure it is properly formatted.

### `unauthorized`

* **Status:** 401
* **Problem:** The request has not been applied because it lacks valid authentication credentials for the target resource.
* **Solution:** Make sure you are using the correct API key or access token.

### `forbidden`

* **Status:** 403
* **Problem:** The server understood the request, but is refusing to fulfill it because the client lacks proper permission.
* **Solution:** Make sure you have the necessary permissions to access the resource.

### `not_found`

* **Status:** 404
* **Problem:** The server has not found anything matching the request URI.
* **Solution:** Check the request and make sure the resource exists.

### `conflict`

* **Status:** 409
* **Problem:** Another resource already uses the same identifier. For example, workspace slug must be unique.
* **Solution:** Change the identifier to a unique value.

### `invite_expired`

* **Status:** 410
* **Problem:** The invite has expired.
* **Solution:** Generate a new invite.

### `unprocessable_entity`

* **Status:** 422
* **Problem:** The server was unable to process the request because it contains invalid data.
* **Solution:** Check the request and make sure input data is valid.

### `rate_limit_exceeded`

* **Status:** 429
* **Problem:** The request has been rate limited.
* **Solution:** Wait for a while and try again.

### `internal_server_error`

* **Status:** 500
* **Problem:** The server encountered an unexpected condition that prevented it from fulfilling the request.
* **Solution:** Try again later. If the problem persists, contact support.