How does one make a Telegram MTProto protocol api call?

Question

For instance to call/wrap the auth.sentCode method (link below):

https://core.telegram.org/method/auth.sendCode

I have tried:

var url = "https://149.154.167.40";  
var data = "(auth.sendCode \"PHONE_CODE+NO\" 0 APP_ID \"SECRET_HASH\" \"en\")";  
using (var wc = new WebClient())  
{  
var result = wc.UploadData(url, GetBytes(data));  
}  

I get this exception (and inner exception)

The underlying connection was closed: An unexpected error occurred on a send. (Authentication failed because the remote party has closed the transport stream.)

Answer 1

You an get started with this SO post

You would need to understand how to generate an AuthKey first.

The Telegram-API documentation is not very well written, but if you keep studying it... you eventually get the hand of it.

Working through generating the AuthKey would help you build up a pattern and functions that you can then use to tackle the rest of the API

Cheers.