Can the bot join groups?

Question

Automation

I work with Telegram Bot API.
It is necessary that the bot could join the group using the link from the message it received.
In this regard, the question is:
Can the bot join groups?
And following from it:
How to learn id of group under the link?

Answer 1

No.
Only by username, without it, there is no way to find out the chat id for the bot