var api = new ApiHelper("http://localhost:60847");
// login
var login = api.Post("/token",
new StringContent(
string.Format("username={0}&password={1}&grant_type=password",
"oclockvn@gmail.com",
"123456")));
var jss = new JavaScriptSerializer();
// parse response object and get token
var json = jss.Deserialize<dynamic>(login.ToString());
var token = json["access_token"];
// get values with token
var values = api.Get("/api/values", token);