The request has been accepted for processing, but the processing has not been completed.
The server was acting as a gateway and received an invalid response.
The request cannot be processed due to bad syntax.
The request could not be completed due to a conflict with the current state of the resource.
The request has been fulfilled and resulted in a new resource being created.
The request was valid, but the server is refusing action.
The requested resource has been found at a different URI.
The server did not receive a timely response from an upstream server.
The requested resource is no longer available and will not be available again.
A generic error message, given when no more specific message is suitable.
The request method is known by the server but has been disabled and cannot be used.
The resource has been moved permanently to a new URI.
The server successfully processed the request, but is not returning any content.
The server cannot find the requested resource.
The server does not recognize the request method or lacks the ability to fulfill it.
The resource has not been modified since the last request.
The request has succeeded.
The server timed out waiting for the request.
The server is currently unavailable (overloaded or down).
The user has sent too many requests in a given amount of time.
The request requires user authentication.
The status codes for the REST.
See
https://developer.mozilla.org/en-US/docs/Web/HTTP/Status