200 OK
Please provide a 'code' parameter in the URL (e.g., ?code=404).
Supported codes are: 200, 201, 202, 204, 301, 302, 304, 307, 308, 400, 401, 403, 404, 405, 408, 410, 418, 429, 500, 501, 502, 503, 504