HTTP Status Codes

Continue

HTTP 100 Continue indicates the server has received the request headers and the client should proceed to send the request body.

Switching Protocols

HTTP 101 Switching Protocols indicates the server is switching to a different protocol as requested by the client via the Upgrade header.

OK

HTTP 200 OK indicates the request has succeeded.

Created

HTTP 201 Created indicates the request has been fulfilled and a new resource has been created.

Accepted

HTTP 202 Accepted indicates the request has been accepted for processing, but the processing has not been completed.

Non-Authoritative Information

HTTP 203 Non-Authoritative Information means the request succeeded but the enclosed payload has been modified by a transforming proxy from the origin server's original 200 response.

No Content

HTTP 204 No Content indicates the server successfully processed the request but is not returning any content.

Reset Content

HTTP 205 Reset Content tells the client the server fulfilled the request and the user agent SHOULD reset the document view that sent it.

Partial Content

HTTP 206 Partial Content indicates the server is delivering only part of the resource due to a Range header sent by the client.

Multi-Status

HTTP 207 Multi-Status indicates the message body contains a DAV:multistatus XML document with multiple response codes for independent sub-operations.

Already Reported

HTTP 208 Already Reported appears inside a 207 Multi-Status response body to indicate that members of a DAV binding have already been enumerated in a preceding part of the response.

Multiple Choices

HTTP 300 Multiple Choices indicates the target resource has more than one representation, each with its own identifier.

Moved Permanently

HTTP 301 Moved Permanently indicates the target resource has been assigned a new permanent URI.

Found

HTTP 302 Found indicates the target resource resides temporarily under a different URI.

See Other

HTTP 303 See Other instructs the client to retrieve the result of the request at a different URI using GET, regardless of the original method.

Not Modified

HTTP 304 Not Modified indicates the resource has not been modified since the last request.

Temporary Redirect

HTTP 307 Temporary Redirect indicates the resource resides temporarily at a different URI, and the request method MUST NOT be changed.

Bad Request

HTTP 400 Bad Request indicates the server cannot process the request due to something perceived as a client error.

Unauthorized

HTTP 401 Unauthorized indicates the request lacks valid authentication credentials for the target resource.

Payment Required

HTTP 402 Payment Required indicates that the request cannot be fulfilled until the client provides valid payment.

Forbidden

HTTP 403 Forbidden indicates the server understood the request but refuses to fulfill it.

Not Found

HTTP 404 Not Found indicates the server cannot find the requested resource.

Method Not Allowed

HTTP 405 Method Not Allowed indicates the request method is recognized by the server but is not supported by the target resource.

Not Acceptable

HTTP 406 Not Acceptable indicates the server cannot produce a response matching the proactive content negotiation headers sent by the client.

Proxy Authentication Required

HTTP 407 Proxy Authentication Required indicates the client must first authenticate with an intermediary proxy before the request can be forwarded.

Request Timeout

HTTP 408 Request Timeout indicates the server did not receive a complete request message within the time it was prepared to wait.

Conflict

HTTP 409 Conflict indicates the request could not be completed due to a conflict with the current state of the target resource.

Gone

HTTP 410 Gone indicates the target resource is no longer available at the origin server and this condition is likely to be permanent.

Length Required

HTTP 411 Length Required indicates the server refuses to accept the request without a defined Content-Length header.

Precondition Failed

HTTP 412 Precondition Failed indicates that one or more conditions given in the request header fields (If-Match, If-Unmodified-Since, If-None-Match) evaluated to false on the server.

Content Too Large

HTTP 413 Content Too Large indicates the server is refusing to process the request because the request content exceeds the size the server is willing or able to accept.

URI Too Long

HTTP 414 URI Too Long indicates the server refuses the request because the target URI is longer than the server is willing to interpret.

Unsupported Media Type

HTTP 415 Unsupported Media Type indicates the server refuses the request because the payload's format is not supported.

Range Not Satisfiable

HTTP 416 Range Not Satisfiable indicates the requested ranges cannot be satisfied for the selected resource.

Expectation Failed

HTTP 417 Expectation Failed indicates the server cannot meet the expectation given in the request's Expect header field.

I'm a Teapot

HTTP 418 I'm a Teapot indicates the server refuses to brew coffee because it is, permanently, a teapot.

Misdirected Request

HTTP 421 Misdirected Request indicates the server cannot produce a response for the combination of scheme and authority in the request URI.

Unprocessable Content

HTTP 422 Unprocessable Content indicates the server understands the content type and syntax but cannot process the contained instructions.

Locked

HTTP 423 Locked indicates the source or destination resource is currently locked.

Failed Dependency

HTTP 424 Failed Dependency indicates the method could not be performed because the requested action depended on another action and that action failed.

Too Early

HTTP 425 Too Early indicates the server is unwilling to risk processing a request that might be replayed.

Upgrade Required

HTTP 426 Upgrade Required indicates the server refuses to perform the request using the current protocol but might after the client upgrades.

Precondition Required

HTTP 428 Precondition Required means the server refuses to process the request because it lacks a conditional header (If-Match, If-None-Match, or If-Unmodified-Since).

Too Many Requests

HTTP 429 Too Many Requests indicates the user has sent too many requests in a given time period.

Request Header Fields Too Large

HTTP 431 Request Header Fields Too Large indicates the server refuses to process the request because its header fields are too large.

Unavailable For Legal Reasons

HTTP 451 Unavailable For Legal Reasons indicates the server is denying access to a resource as a consequence of a legal demand.

Internal Server Error

HTTP 500 Internal Server Error indicates the server encountered an unexpected condition that prevented it from fulfilling the request.

Not Implemented

HTTP 501 Not Implemented indicates the server does not support the functionality required to fulfill the request.

Bad Gateway

HTTP 502 Bad Gateway indicates the server, while acting as a gateway or proxy, received an invalid response from an inbound upstream server.

Service Unavailable

HTTP 503 Service Unavailable indicates the server is temporarily unable to handle the request due to overload or scheduled maintenance.

Gateway Timeout

HTTP 504 Gateway Timeout indicates the server, acting as a gateway or proxy, did not receive a timely response from the upstream server needed to complete the request.

HTTP Version Not Supported

HTTP 505 HTTP Version Not Supported indicates the server does not support the major version of HTTP used in the request.

Variant Also Negotiates

HTTP 506 Variant Also Negotiates means the server's chosen variant is itself configured to engage in transparent content negotiation, creating an infinite negotiation loop.

Insufficient Storage

HTTP 507 Insufficient Storage indicates the server cannot store the representation needed to complete the request.

Not Extended

HTTP 510 Not Extended indicates the request lacks required extension declarations to access the resource.