{"issuer":"https://api-openbanking-sandbox.starlingbank.com/","authorization_endpoint":"https://oauth-sandbox.starlingbank.com/open-banking/","token_endpoint":"https://api-openbanking-sandbox.starlingbank.com/oauth/access-token","registration_endpoint":"https://api-openbanking-sandbox.starlingbank.com/open-banking/v3.3/register","jwks_uri":"https://keystore.openbankingtest.org.uk/00158000016i44VAAQ/00158000016i44VAAQ.jwks","scopes_supported":["openid","accounts","payments"],"response_types_supported":["code","code id_token"],"grant_types_supported":["client_credentials","authorization_code","refresh_token"],"token_endpoint_auth_methods_supported":["tls_client_auth","private_key_jwt"],"token_endpoint_auth_signing_alg_values_supported":["PS256"],"subject_types_supported":["public"],"request_object_signing_alg_values_supported":["PS256"],"id_token_signing_alg_values_supported":["PS256"],"request_parameter_supported":true}