This page outlines the common error codes and resolutions you may encounter using the List API.
| Code | Description |
|---|---|
| 200 | Request OK. |
| 202 | Request accepted. |
| 400 | Bad request. Either an invalid parameter exists, or the data expected is not present. |
| 401 | Unauthorized. Check you're using the right api_key. |
| 403 | Access denied. Your query limit has been exceeded, or the API key provided does not have the required permissions. |
| 404 | The list or results file isn't found. Verify you have the correct list_id and the list is in the right status. |
| 415 | Invalid Content-Type submitted. |
| 422 | Invalid file. Verify that the file has the proper name and format. |
| 500 | Internal server error. Please contact support. |
| 502 | Bad gateway. The API is not available. Please try again later or contact support. |