HTTP Status Code Explainer
Understand HTTP Response Codes
Look up HTTP status codes and learn what they mean. Quickly search 2xx success, 3xx redirects, 4xx client errors, and 5xx server errors.
FAQ
What’s the difference between 301 and 302?
301 is a permanent redirect; 302 is temporary.
Why do I get 401 vs 403?
401 Unauthorized requires authentication; 403 Forbidden means you’re authenticated but not allowed.