HTTP Status Codes
Searchable reference for all HTTP status codes with descriptions.
Continue
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.
OK
Standard response for successful HTTP requests.
Created
The request has been fulfilled and resulted in a new resource being created.
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.
Found
The resource was found, but at a different 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.
HTTP Standards
HTTP status codes are returned by a server in response to a client's request made to the server. They are defined by RFC 9110.