How to get statistics from a channel in telegram?

Question

Messengers

How to get statistics from a channel in telegram correctly, i.e. what needs to be installed, what software and how, so that you can programmatically receive all the data from the channels that a person sees.
1. Number of subscribers.
2. Number of post views.
3. The number of posts themselves per day, and so on.
Thank you in advance for your attention!

Answer 1

It seems that there are special bots for such purposes - https://rb.ru/list/bots/
If there is no such bot, you can write it yourself - https://core.telegram.org/bots