public Token AcquireTokenForReseller()
{
string uri = string.Format("{0}/{1}", cspApiUrl, "my-org/tokens");
string contentType = "application/x-www-form-urlencoded";
string content = "grant_type=client_credentials";
APIService service = new APIService(uri, contentType);
service.Request.Headers.Add("api-version", "2015-03-31");
service.Request.Headers.Add("x-ms-correlation-id", Guid.NewGuid().ToString());
service.Request.Headers.Add("Authorization", "Bearer " + oauth_token);
return service.Send<Token>(content);
}