HTTP API with JWT Authoriser

Question

I have Cognito User Pool setup and used amplify setup for my page and got a ID token. I am trying to use that to authorize a HTTP API using JWT authorizer . Using the jwt.io I tried to decode the JWT and got the ISS. I have this setup .  
  
Issuer =   
audience = aud (this has the app client id for the cognito user pool>  
Identity source = $request.header.Authorization  
  
Since I use the ID token, I did not setup any scope. I tried to test this with curl  
  
curl -X POST  -H 'Authorization:'  
  
I get  
  
401: Unauthorised  
  
**Note : The API works fine if I detach the authorizer. Also, the token works fine if I create a REST API and configure the cognito authoriser**  
  
Would appreciate if someone can help.  
  
Edited by: koude on Apr 23, 2020 6:42 PM

Answer

Hello, can you check the "www-authenticate" header in the response? There should be a message with additional information there.

Answer

It helped. I had a wrong audience. Need to put the app_client_id of the Cognito User Pool in the "Audience" field of the JWT authorizer.   
  
This is the value that is in the JWT for key "aud"

Thanks.

HTTP API with JWT Authoriser

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