[I used this link] (https://ozeki-sms-gateway.com/p_677-how-to-send-sms-from-c-sharp-using-http-get.html)

This code did not work.

The link given from the company had senderID, which is not exist the given oziki url.

CodePudding user response：

The same code works fine. The server shows a sending request for the sms http correctly.