関連ワード:  authorization in rest api c#    authentication in rest api c#    authentication and authorization in rest api c#    basic authentication in rest api c#    how to implement authorization in rest api c#    oauth 2.0 authentication in rest api c#    oauth 2.0 authentication in rest api c# .net core    implement basic authentication in rest api c#    token based authentication in rest api c#    how to pass authorization header in rest api c#