API gateway Cognito user pool authorizer - 401 unauthorized

Question

I was trying to get my API gateway work with Cognito user pools authorizer but I cannot seem to get it to work. I am not using any SDK as of now. Some details - for Cognito pool

Answer 1

Turned out to be a really idiotic mistake of copying the access_token as well. With the right id_token it worked. Took me 2 days to figure it out!!!