HTTP Status Codes Reference
Complete guide to HTTP status codes with detailed descriptions
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The server has received the request headers and the client should proceed to send the request body.
Switching Protocols
The requester has asked the server to switch protocols and the server has agreed to do so.
Processing
The server has received and is processing the request, but no response is available yet.
Early Hints
Used to return some response headers before final HTTP message.
OK
Standard response for successful HTTP requests. The actual response will depend on the request method used.
Created
The request has been fulfilled, resulting in the creation of a new resource.
Accepted
The request has been accepted for processing, but the processing has not been completed.
No Content
The server successfully processed the request and is not returning any content.
Partial Content
The server is delivering only part of the resource due to a range header sent by the client.
Moved Permanently
This and all future requests should be directed to the given URI.
Found
The resource was found but at a different URI. This is a temporary redirect.
See Other
The response to the request can be found under another URI using a GET method.
Not Modified
Indicates that the resource has not been modified since the version specified by the request headers.
Temporary Redirect
The request should be repeated with another URI; however, future requests should still use the original URI.
Permanent Redirect
The request and all future requests should be repeated using another URI.
Bad Request
The server cannot or will not process the request due to an apparent client error.
Unauthorized
Authentication is required and has failed or has not yet been provided.
Forbidden
The request was valid, but the server is refusing action. The user might not have the necessary permissions.
Not Found
The requested resource could not be found but may be available in the future.
Method Not Allowed
A request method is not supported for the requested resource.
Request Timeout
The server timed out waiting for the request.
Conflict
Indicates that the request could not be processed because of conflict in the request.
Gone
Indicates that the resource requested is no longer available and will not be available again.
Payload Too Large
The request is larger than the server is willing or able to process.
URI Too Long
The URI provided was too long for the server to process.
Unsupported Media Type
The request entity has a media type which the server or resource does not support.
I'm a teapot
This code was defined in 1998 as one of the traditional IETF April Fools' jokes. The server refuses to brew coffee because it is a teapot.
Unprocessable Entity
The request was well-formed but was unable to be followed due to semantic errors.
Too Many Requests
The user has sent too many requests in a given amount of time ("rate limiting").
Internal Server Error
A generic error message when the server encounters an unexpected condition.
Not Implemented
The server either does not recognize the request method, or it lacks the ability to fulfill the request.
Bad Gateway
The server was acting as a gateway or proxy and received an invalid response from the upstream server.
Service Unavailable
The server is currently unavailable (because it is overloaded or down for maintenance).
Gateway Timeout
The server was acting as a gateway or proxy and did not receive a timely response from the upstream server.
HTTP Version Not Supported
The server does not support the HTTP protocol version used in the request.
Network Authentication Required
The client needs to authenticate to gain network access.
Understanding HTTP Status Codes
HTTP status codes are three-digit numbers returned by a server in response to a client's request. They indicate whether a specific HTTP request has been successfully completed and provide information about the result.
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