100 Continue 101 Switching Protocols 102 Processing (WebDAV)
200 OK 201 Created 202 Accepted 203 Non-Authoritative Information (since HTTP/1.1) 204 No Content 205 Reset Content 206 Partial Content 207 Multi-Status (WebDAV)
300 Multiple Choices 301 Moved Permanently 302 Found 303 See Other (since HTTP/1.1) 304 Not Modified 305 Use Proxy (since HTTP/1.1) 306 Switch Proxy 307 Temporary Redirect (since HTTP/1.1)
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Request Entity Too Large
414 Request-URI Too Long
415 Unsupported Media Type
416 Requested Range Not Satisfiable
417 Expectation Failed
421 There are too many connections from your internet address[citation needed]
422 Unprocessable Entity (WebDAV) (RFC 4918)
423 Locked (WebDAV) (RFC 4918)
424 Failed Dependency (WebDAV) (RFC 4918)
425 Unordered Collection
426 Upgrade Required (RFC 2817)
449 Retry With
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 (RFC 2295) 507 Insufficient Storage (WebDAV) (RFC 4918) 509 Bandwidth Limit Exceeded 510 Not Extended (RFC 2774)