Hypertext Transfer Protocol (HTTP) Status Code Registry

Last Updated
2014-02-17
Available Formats

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Registry included below

HTTP Status Codes

Registration Procedure(s)
IETF Review
Reference
[RFC-ietf-httpbis-p2-semantics-26]
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

CSV
Value Description Reference
100 Continue [RFC-ietf-httpbis-p2-semantics-26, Section 6.2.1]
101 Switching Protocols [RFC-ietf-httpbis-p2-semantics-26, Section 6.2.2]
102 Processing [RFC2518]
103-199 Unassigned
200 OK [RFC-ietf-httpbis-p2-semantics-26, Section 6.3.1]
201 Created [RFC-ietf-httpbis-p2-semantics-26, Section 6.3.2]
202 Accepted [RFC-ietf-httpbis-p2-semantics-26, Section 6.3.3]
203 Non-Authoritative Information [RFC-ietf-httpbis-p2-semantics-26, Section 6.3.4]
204 No Content [RFC-ietf-httpbis-p2-semantics-26, Section 6.3.5]
205 Reset Content [RFC-ietf-httpbis-p2-semantics-26, Section 6.3.6]
206 Partial Content [RFC-ietf-httpbis-p5-range-26, Section 4.1]
207 Multi-Status [RFC4918]
208 Already Reported [RFC5842]
209-225 Unassigned
226 IM Used [RFC3229]
227-299 Unassigned
300 Multiple Choices [RFC-ietf-httpbis-p2-semantics-26, Section 6.4.1]
301 Moved Permanently [RFC-ietf-httpbis-p2-semantics-26, Section 6.4.2]
302 Found [RFC-ietf-httpbis-p2-semantics-26, Section 6.4.3]
303 See Other [RFC-ietf-httpbis-p2-semantics-26, Section 6.4.4]
304 Not Modified [RFC-ietf-httpbis-p4-conditional-26, Section 4.1]
305 Use Proxy [RFC-ietf-httpbis-p2-semantics-26, Section 6.4.5]
306 (Unused) [RFC-ietf-httpbis-p2-semantics-26, Section 6.4.6]
307 Temporary Redirect [RFC-ietf-httpbis-p2-semantics-26, Section 6.4.7]
308 Permanent Redirect [RFC-reschke-http-status-308-07]
309-399 Unassigned
400 Bad Request [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.1]
401 Unauthorized [RFC-ietf-httpbis-p7-auth-26, Section 3.1]
402 Payment Required [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.2]
403 Forbidden [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.3]
404 Not Found [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.4]
405 Method Not Allowed [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.5]
406 Not Acceptable [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.6]
407 Proxy Authentication Required [RFC-ietf-httpbis-p7-auth-26, Section 3.2]
408 Request Timeout [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.7]
409 Conflict [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.8]
410 Gone [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.9]
411 Length Required [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.10]
412 Precondition Failed [RFC-ietf-httpbis-p4-conditional-26, Section 4.2]
413 Payload Too Large [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.11]
414 URI Too Long [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.12]
415 Unsupported Media Type [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.13]
416 Requested Range Not Satisfiable [RFC-ietf-httpbis-p5-range-26, Section 4.4]
417 Expectation Failed [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.14]
422 Unprocessable Entity [RFC4918]
423 Locked [RFC4918]
424 Failed Dependency [RFC4918]
425 Unassigned
426 Upgrade Required [RFC-ietf-httpbis-p2-semantics-26, Section 6.5.15]
427 Unassigned
428 Precondition Required [RFC6585]
429 Too Many Requests [RFC6585]
430 Unassigned
431 Request Header Fields Too Large [RFC6585]
432-499 Unassigned
500 Internal Server Error [RFC-ietf-httpbis-p2-semantics-26, Section 6.6.1]
501 Not Implemented [RFC-ietf-httpbis-p2-semantics-26, Section 6.6.2]
502 Bad Gateway [RFC-ietf-httpbis-p2-semantics-26, Section 6.6.3]
503 Service Unavailable [RFC-ietf-httpbis-p2-semantics-26, Section 6.6.4]
504 Gateway Timeout [RFC-ietf-httpbis-p2-semantics-26, Section 6.6.5]
505 HTTP Version Not Supported [RFC-ietf-httpbis-p2-semantics-26, Section 6.6.6]
506 Variant Also Negotiates (Experimental) [RFC2295]
507 Insufficient Storage [RFC4918]
508 Loop Detected [RFC5842]
509 Unassigned
510 Not Extended [RFC2774]
511 Network Authentication Required [RFC6585]
512-599 Unassigned