HTTP Status Codes Reference
Quick reference for HTTP response status codes and their meanings.
200
OK
Request succeeded.
201
Created
Resource created.
301
Moved Permanently
URL moved.
400
Bad Request
Invalid syntax.
401
Unauthorized
Auth required.
403
Forbidden
Access denied.
404
Not Found
Page missing.
500
Internal Server Error
Server error.
503
Service Unavailable
Server overloaded.