1xx

Informational 1xx
The 1xx (Informational) class of status code indicates an interim response for communicating connection status or request progress prior to
100 Continue
The 100 (Continue) status code indicates that the initial part of a request has been received and has not yet been rejected by the server.
101 Switching Protocols
The 101 (Switching Protocols) status code indicates that the server understands and is willing to comply with the client's request, via the