We've taken our Asgardeo Token Exchange grant type to the next level by adding robust support for refresh tokens. Now, in scenarios where the client of the token exchange requires ongoing access to a resource, even after the original credentials have expired, you can seamlessly obtain a refresh token.
Documentation Link : https://wso2.com/asgardeo/docs/guides/authentication/configure-the-token-exchange-flow/#enable-token-exchange-in-your-app