{"issuer":"https:\/\/api.shopify.com","token_endpoint":"https:\/\/api.shopify.com\/auth\/access_token","grant_types_supported":["client_credentials","urn:shopify:params:oauth:grant-type:ecp-credentials","urn:ietf:params:oauth:grant-type:jwt-bearer"],"token_endpoint_auth_methods_supported":["client_secret_post"]}