Check if user is watching a specific live stream

API
1

I need to check if user is watching a specific live stream.

is there an api for do this ? (i have user token) .

2

There are no APIs that will tell you what a user is watching

3

Can i get the list of current observers of the live stream ?

4

There is also no API to get viewers of a stream.

5

Can i check if user is subber of a streamer ? (Like Amazon prime sub)

6

If you have the streamers token - Reference | Twitch Developers
If you have the users token - Reference | Twitch Developers