List of HTTP Response Status Codes
This is a list of the Hypertext Transfer Protocol (HTTP) response status codes. HTTP status codes are sent by a server or commonly when you call an API.
This is a list of the Hypertext Transfer Protocol (HTTP) response status codes. HTTP status codes are sent by a server or commonly when you call an API.
10 Most Common HTTP Response Status Codes
- 200 OK
- 201 Created
- 204 No Content
- 400 Bad Request
- 401 Unauthorized
- 403 Forbidden
- 404 Not Found
- 405 Method Not Allowed
- 409 Conflict
- 500 Internal Server Error
HTTP Response Status Code List
1xx Informational Response
These HTTP status codes indicate that the request was received and understood. The 1xx response is on a provisional basis with the message consisting only of the status line and optional header fields, and is terminated by an empty line.
100 Continue
101 Switching Protocols
102 Processing
103 Early Hints
2xx Success
These HTTP Status codes indicate that the action requested by the client was received, understood, and accepted.
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content
207 Multi-Status
208 Already Reported
226 IM Used
3XX Redirection
These HTTP status codes indicate that the client must take additional action to complete the request.
300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other
304 Not Modified
305 Use Proxy
306 Switch Proxy
307 Temporary Redirect
308 Permanent Redirect
4xx Client Errors
These HTTP status codes indicate errors caused by the client. Often, these status codes contain an explanation of the error situation.
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
409 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Payload too Large
414 URI Too Long
415 Unsupported Media Type
416 Range Not Satisfiable
417 Expectation Failed
418 I’m a teapot
421 Misdirected Request
422 Unprocessable Entity
423 Locked
424 Failed Dependency
425 Too Early
426 Upgrade Required
428 Precondition Required
429 Too Many Requests
431 Request Header Fields Too Large
444 No Response (nginx)
451 Unavailable for Legal Reasons
494 Request Header too Large (nginx)
495 SSL Certificate Error (nginx)
497 HTTP Request Sent to HTTPS Port
499 Client Closed Request
5xx Server Errors
These HTTP Response codes indicate that the server failed to fulfill a request.
500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates
507 Insufficient Storage
508 Loop Detected
509 Bandwidth Limit Exceeded (Apache)
510 Not Extended
511 Network Authentication Required
598 Network Read Timeout Error
599 Network Connect Timeout Error
See Also