HTTP Status Codes
NewComplete reference for HTTP response codes
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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.
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.
Moved Permanently
This and all future requests should be directed to the given URI.
Not Modified
Indicates that the resource has not been modified since the version specified by the request headers.
Bad Request
The server cannot or will not process the request due to an apparent client error.
Unauthorized
Similar to 403 Forbidden, but specifically for use when authentication is required and has failed or has not yet been provided.
Forbidden
The request contained valid data and was understood by the server, but the server is refusing action.
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.
Too Many Requests
The user has sent too many requests in a given amount of time.
Internal Server Error
A generic error message, given when an unexpected condition was encountered and no more specific message is suitable.
Bad Gateway
The server was acting as a gateway or proxy and received an invalid response from the upstream server.
Service Unavailable
The server cannot handle the request (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.
Status Code Quick Reference
HTTP status codes are divided into five classes: 1xx (Informational), 2xx (Success), 3xx (Redirection), 4xx (Client Error), and 5xx (Server Error). They help developers understand the result of an HTTP request and debug issues effectively.