AWS Cognito - Invalid Refresh Token

Question

I am using the Amazon Cognito service with the amazon-cognito-identity-js library, and am having an issue refreshing a user\'s tokens, namely the id token.

When tryin

Answer 1

Another thing that can cause this error: using different user pool clients for generating the refresh token and trying to use it to generate new access & id tokens. It looks like a given refresh token may only be used by the client that generated it.