This page outlines the common error codes and resolutions you may encounter using the List API.

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