The following 63 HTTP Status Code values were found in all available webconcepts.info specifications. Please be advised that the table shown here is maintained and compiled from Web Concepts sources. The official HTTP Status Code registry is maintained by the Internet Assigned Numbers Authority (IANA).

HTTP Status Code Specification
100 Continue RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
101 Switching Protocols RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
102 Processing RFC 2518: HTTP Extensions for Distributed Authoring - WEBDAV
103 Early Hints RFC 8297: An HTTP Status Code for Indicating Hints
200 OK RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
201 Created RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
202 Accepted RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
203 Non-Authoritative Information RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
204 No Content RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
205 Reset Content RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
206 Partial Content RFC 7233: Hypertext Transfer Protocol (HTTP/1.1): Range Requests
207 Multi-Status RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
208 Already Reported RFC 5842: Binding Extensions to Web Distributed Authoring and Versioning (WebDAV)
226 IM Used RFC 3229: Delta encoding in HTTP
300 Multiple Choices RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
301 Moved Permanently RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
302 Found RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
303 See Other RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
304 Not Modified RFC 7232: Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
305 Use Proxy RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
306 Unused RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
307 Temporary Redirect RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
308 Permanent Redirect RFC 7538: The Hypertext Transfer Protocol Status Code 308 (Permanent Redirect)
400 Bad Request RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
401 Unauthorized RFC 7235: Hypertext Transfer Protocol (HTTP/1.1): Authentication
402 Payment Required RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
403 Forbidden RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
404 Not Found RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
405 Method Not Allowed RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
406 Not Acceptable RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
407 Proxy Authentication Required RFC 7235: Hypertext Transfer Protocol (HTTP/1.1): Authentication
408 Request Timeout RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
409 Conflict RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
410 Gone RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
411 Length Required RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
412 Precondition Failed RFC 7232: Hypertext Transfer Protocol (HTTP/1.1): Conditional Requests
413 Payload Too Large RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
414 URI Too Long RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
415 Unsupported Media Type RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
416 Range Not Satisfiable RFC 7233: Hypertext Transfer Protocol (HTTP/1.1): Range Requests
417 Expectation Failed RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
418 I'm a teapot RFC 2324: Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0)
421 Misdirected Request RFC 7540: Hypertext Transfer Protocol Version 2
422 Unprocessable Entity RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
423 Locked RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
424 Failed Dependency RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
425 Too Early RFC 8470: Using Early Data in HTTP
426 Upgrade Required RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
428 Precondition Required RFC 6585: Additional HTTP Status Codes
429 Too Many Requests RFC 6585: Additional HTTP Status Codes
431 Request Header Fields Too Large RFC 6585: Additional HTTP Status Codes
451 Unavailable For Legal Reasons RFC 7725: An HTTP Status Code to Report Legal Obstacles
500 Internal Server Error RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
501 Not Implemented RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
502 Bad Gateway RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
503 Service Unavailable RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
504 Gateway Timeout RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
505 HTTP Version Not Supported RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content
506 Variant Also Negotiates RFC 2295: Transparent Content Negotiation in HTTP
507 Insufficient Storage RFC 4918: HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)
508 Loop Detected RFC 5842: Binding Extensions to Web Distributed Authoring and Versioning (WebDAV)
510 Not Extended RFC 2774: An HTTP Extension Framework
511 Network Authentication Required RFC 6585: Additional HTTP Status Codes



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