Check if a user is subscribed and how many months has it been subscribed

[BarryCarlyon]

@Jevi

Is there any way I can check if a certain user is subscribed to my channe

Using the broadcasters authentication works best

Reference

@Jevi

and how many months has he been subscribed using the helix API?

You can’t see

Subs Tenure in Helix

You can capture this from chat notifications (and only if the user shares)