Finding the User_ID of a streamer for Get Custom Reward Redemption

[BarryCarlyon]

@vmarek

I am using the OAuth client credentials flow,

That doesn’t represent a user.

And you need to have authenticated at least once as a user to get permission to read/write redemptions/rewards.

@vmarek

Right now I have my authorization loop set up

By this I assumed you meant you authenticated a user, not got a server to server token.

See also, this blog post on the duality of EventSub Tokens

How does Twitch’s new EventSub work?

@vmarek

but I am not sure where exactly can I find their user_id, that could be used for Get Custom Reward Redemption. I

If you have an app access token, then you’ll need to use Get Users with a login to convert that login to a user ID.