static async Task RunAsync() { //Generate and return Token User objUser = new User(); objUser.username = ConfigurationManager.AppSettings["login_api"]; objUser.password = ConfigurationManager.AppSettings["password_api"]; CallApi callApi = new CallApi(); Token token = await callApi.CreateTokenAuth(objUser); //List mail by query var strGetListMail = callApi.GetListMail("marcus"); Console.WriteLine(strGetListMail); Console.WriteLine(); //Get by mail var strGetMail = callApi.GetEmail("*****@*****.**"); Console.WriteLine(strGetMail); //Create mail Mail objMail = new Mail(); objMail.data.mail = ""; Console.ReadLine(); }