🌐 HTTP Status Code Reference
Complete reference for all HTTP status codes with descriptions, use cases, and category filters. Search by code or keyword.
34 of 34 codes
1xxInformationalRequest received, continuing process
100
Continue
Server received request headers
101
Switching Protocols
Server is switching protocols
102
Processing
Request is being processed (WebDAV)
103
Early Hints
Preload hints before final response
2xxSuccessRequest successfully received and accepted
200
OK
Standard success response
201
Created
Resource successfully created
202
Accepted
Request accepted, not yet processed
204
No Content
Success with no response body
206
Partial Content
Partial range request fulfilled
3xxRedirectionFurther action needed to complete request
301
Moved Permanently
Resource permanently moved
302
Found
Temporary redirect
304
Not Modified
Cached response is still valid
307
Temporary Redirect
Redirect with same method
308
Permanent Redirect
Permanent redirect, same method
4xxClient ErrorRequest contains bad syntax or cannot be fulfilled
400
Bad Request
Invalid request syntax
401
Unauthorized
Authentication required
403
Forbidden
Authenticated but not authorized
404
Not Found
Resource not found
405
Method Not Allowed
HTTP method not supported
408
Request Timeout
Server timed out waiting
409
Conflict
Request conflicts with server state
410
Gone
Resource permanently deleted
413
Content Too Large
Request body too large
415
Unsupported Media Type
Unsupported content type
422
Unprocessable Content
Semantic validation failed
429
Too Many Requests
Rate limit exceeded
5xxServer ErrorServer failed to fulfill a valid request
500
Internal Server Error
Generic server-side error
501
Not Implemented
Feature not supported by server
502
Bad Gateway
Invalid response from upstream
503
Service Unavailable
Server temporarily unavailable
504
Gateway Timeout
Upstream server timed out
507
Insufficient Storage
Server storage full (WebDAV)
508
Loop Detected
Infinite loop detected (WebDAV)
511
Network Authentication Required
Network login required