{"issuer":"https://gianfranco-preserve-legac-163acd.apps.staging.gumroad.org","authorization_endpoint":"https://gianfranco-preserve-legac-163acd.apps.staging.gumroad.org/muse/v1/oauth2/authorize","token_endpoint":"https://gianfranco-preserve-legac-163acd.apps.staging.gumroad.org/muse/v1/oauth2/token","registration_endpoint":"https://gianfranco-preserve-legac-163acd.apps.staging.gumroad.org/muse/v1/oauth2/register","response_types_supported":["code"],"grant_types_supported":["authorization_code","refresh_token"],"token_endpoint_auth_methods_supported":["none","client_secret_post","client_secret_basic"],"scopes_supported":["view_public","view_profile","view_sales","edit_products","view_payouts","account"],"code_challenge_methods_supported":["S256","plain"]}