2021-10-01 RFC-ietf-httpbis-semantics, Section 16.2.1 IETF Review 1xx: Informational - Request received, continuing process 2xx: Success - The action was successfully received, understood, and accepted 3xx: Redirection - Further action must be taken in order to complete the request 4xx: Client Error - The request contains bad syntax or cannot be fulfilled 5xx: Server Error - The server failed to fulfill an apparently valid request 100 Continue RFC-ietf-httpbis-semantics, Section 15.2.1 101 Switching Protocols RFC-ietf-httpbis-semantics, Section 15.2.2 102 Processing 103 Early Hints 104-199 Unassigned 200 OK RFC-ietf-httpbis-semantics, Section 15.3.1 201 Created RFC-ietf-httpbis-semantics, Section 15.3.2 202 Accepted RFC-ietf-httpbis-semantics, Section 15.3.3 203 Non-Authoritative Information RFC-ietf-httpbis-semantics, Section 15.3.4 204 No Content RFC-ietf-httpbis-semantics, Section 15.3.5 205 Reset Content RFC-ietf-httpbis-semantics, Section 15.3.6 206 Partial Content RFC-ietf-httpbis-semantics, Section 15.3.7 207 Multi-Status 208 Already Reported 209-225 Unassigned 226 IM Used 227-299 Unassigned 300 Multiple Choices RFC-ietf-httpbis-semantics, Section 15.4.1 301 Moved Permanently RFC-ietf-httpbis-semantics, Section 15.4.2 302 Found RFC-ietf-httpbis-semantics, Section 15.4.3 303 See Other RFC-ietf-httpbis-semantics, Section 15.4.4 304 Not Modified RFC-ietf-httpbis-semantics, Section 15.4.5 305 Use Proxy RFC-ietf-httpbis-semantics, Section 15.4.6 306 (Unused) RFC-ietf-httpbis-semantics, Section 15.4.7 307 Temporary Redirect RFC-ietf-httpbis-semantics, Section 15.4.8 308 Permanent Redirect RFC-ietf-httpbis-semantics, Section 15.4.9 309-399 Unassigned 400 Bad Request RFC-ietf-httpbis-semantics, Section 15.5.1 401 Unauthorized RFC-ietf-httpbis-semantics, Section 15.5.2 402 Payment Required RFC-ietf-httpbis-semantics, Section 15.5.3 403 Forbidden RFC-ietf-httpbis-semantics, Section 15.5.4 404 Not Found RFC-ietf-httpbis-semantics, Section 15.5.5 405 Method Not Allowed RFC-ietf-httpbis-semantics, Section 15.5.6 406 Not Acceptable RFC-ietf-httpbis-semantics, Section 15.5.7 407 Proxy Authentication Required RFC-ietf-httpbis-semantics, Section 15.5.8 408 Request Timeout RFC-ietf-httpbis-semantics, Section 15.5.9 409 Conflict RFC-ietf-httpbis-semantics, Section 15.5.10 410 Gone RFC-ietf-httpbis-semantics, Section 15.5.11 411 Length Required RFC-ietf-httpbis-semantics, Section 15.5.12 412 Precondition Failed RFC-ietf-httpbis-semantics, Section 15.5.13 413 Content Too Large RFC-ietf-httpbis-semantics, Section 15.5.14 414 URI Too Long RFC-ietf-httpbis-semantics, Section 15.5.15 415 Unsupported Media Type RFC-ietf-httpbis-semantics, Section 15.5.16 416 Range Not Satisfiable RFC-ietf-httpbis-semantics, Section 15.5.17 417 Expectation Failed RFC-ietf-httpbis-semantics, Section 15.5.18 418 (Unused) RFC-ietf-httpbis-semantics, Section 15.5.19 419-420 Unassigned 421 Misdirected Request RFC-ietf-httpbis-semantics, Section 15.5.20 422 Unprocessable Content RFC-ietf-httpbis-semantics, Section 15.5.21 423 Locked 424 Failed Dependency 425 Too Early 426 Upgrade Required RFC-ietf-httpbis-semantics, Section 15.5.22 427 Unassigned 428 Precondition Required 429 Too Many Requests 430 Unassigned 431 Request Header Fields Too Large 432-450 Unassigned 451 Unavailable For Legal Reasons 452-499 Unassigned 500 Internal Server Error RFC-ietf-httpbis-semantics, Section 15.6.1 501 Not Implemented RFC-ietf-httpbis-semantics, Section 15.6.2 502 Bad Gateway RFC-ietf-httpbis-semantics, Section 15.6.3 503 Service Unavailable RFC-ietf-httpbis-semantics, Section 15.6.4 504 Gateway Timeout RFC-ietf-httpbis-semantics, Section 15.6.5 505 HTTP Version Not Supported RFC-ietf-httpbis-semantics, Section 15.6.6 506 Variant Also Negotiates 507 Insufficient Storage 508 Loop Detected 509 Unassigned 510 Not Extended 511 Network Authentication Required 512-599 Unassigned