Hypertext Transfer Protocol (HTTP) Status Code Registry

Hypertext Transfer Protocol (HTTP) Status Code Registry

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HTTP Status Codes

Note 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

Available Formats Value Description Reference 100 Continue [RFC7231, Section 6.2.1] 101 Switching Protocols [RFC7231, Section 6.2.2] 102 Processing [RFC2518] 103 Early Hints [RFC8297] 104-199 Unassigned

200 OK [RFC7231, Section 6.3.1] 201 Created [RFC7231, Section 6.3.2] 202 Accepted [RFC7231, Section 6.3.3] 203 Non-Authoritative Information [RFC7231, Section 6.3.4] 204 No Content [RFC7231, Section 6.3.5] 205 Reset Content [RFC7231, Section 6.3.6] 206 Partial Content [RFC7233, Section 4.1] 207 Multi-Status [RFC4918] 208 Already Reported [RFC5842] 209-225 Unassigned 226 IM Used [RFC3229] 227-299 Unassigned

300 Multiple Choices [RFC7231, Section 6.4.1] 301 Moved Permanently [RFC7231, Section 6.4.2] 302 Found [RFC7231, Section 6.4.3] 303 See Other [RFC7231, Section 6.4.4] 304 Not Modified [RFC7232, Section 4.1] 305 Use Proxy [RFC7231, Section 6.4.5] 306 (Unused) [RFC7231, Section 6.4.6] 307 Temporary Redirect [RFC7231, Section 6.4.7] 308 Permanent Redirect [RFC7538] 309-399 Unassigned

400 Bad Request [RFC7231, Section 6.5.1] 401 Unauthorized [RFC7235, Section 3.1] 402 Payment Required [RFC7231, Section 6.5.2] 403 Forbidden [RFC7231, Section 6.5.3] 404 Not Found [RFC7231, Section 6.5.4] 405 Method Not Allowed [RFC7231, Section 6.5.5] 406 Not Acceptable [RFC7231, Section 6.5.6] 407 Proxy Authentication Required [RFC7235, Section 3.2] 408 Request Timeout [RFC7231, Section 6.5.7] 409 Conflict [RFC7231, Section 6.5.8] 410 Gone [RFC7231, Section 6.5.9] 411 Length Required [RFC7231, Section 6.5.10] 412 Precondition Failed [RFC7232, Section 4.2][RFC8144, Section 3.2] 413 Payload Too Large [RFC7231, Section 6.5.11] 414 URI Too Long [RFC7231, Section 6.5.12] 415 Unsupported Media Type [RFC7231, Section 6.5.13][RFC7694, Section 3] 416 Range Not Satisfiable [RFC7233, Section 4.4] 417 Expectation Failed [RFC7231, Section 6.5.14] 418-420 Unassigned 421 Misdirected Request [RFC7540, Section 9.1.2] 422 Unprocessable Entity [RFC4918] 423 Locked [RFC4918] 424 Failed Dependency [RFC4918] 425 Too Early [RFC8470] 426 Upgrade Required [RFC7231, Section 6.5.15] 427 Unassigned 428 Precondition Required [RFC6585] 429 Too Many Requests [RFC6585] 430 Unassigned 431 Request Header Fields Too Large [RFC6585] 432-450 Unassigned 451 Unavailable For Legal Reasons [RFC7725] 452-499 Unassigned

500 Internal Server Error [RFC7231, Section 6.6.1] 501 Not Implemented [RFC7231, Section 6.6.2] 502 Bad Gateway [RFC7231, Section 6.6.3] 503 Service Unavailable [RFC7231, Section 6.6.4] 504 Gateway Timeout [RFC7231, Section 6.6.5] 505 HTTP Version Not Supported [RFC7231, Section 6.6.6] 506 Variant Also Negotiates [RFC2295] 507 Insufficient Storage [RFC4918] 508 Loop Detected [RFC5842] 509 Unassigned 510 Not Extended [RFC2774] 511 Network Authentication Required [RFC6585] 512-599 Unassigned