How to get the number of channel members (private) in Telegram API?

Question

API

There is such information in the Telegram API, but I can’t figure out how to use it.
---functions---
users.getUsers#d91a548 id:Vector = Vector;
*
Params
id Vector List of user identifiers
Essence: How to make an http request so that it would return the number of users in the channel or write a function?

Answer 1

I think the easiest way is to use an existing SDK for your language: search Google for "{language_name} Telegram SDK".