https://accounts.zoho.com/oauth/v2/auth?scope=ZohoSubscriptions.customers.ALL,ZohoSubscriptions.subscriptions.ALL,ZohoSubscriptions.invoices.ALL,ZohoSubscriptions.products.ALL,ZohoSubscriptions.plans.ALL,ZohoSubscriptions.addons.ALL,ZohoSubscriptions.coupons.ALL,ZohoSubscriptions.hostedpages.ALL,ZohoSubscriptions.payments.ALL,ZohoSubscriptions.settings.ALL,ZohoSubscriptions.webhooks.READ&client_id=client_id&response_type=code&access_type=offline&state=billing&redirect_uri=redirect_uri

I am using this endpoint but for some reason the response only comes with access token and no refresh token, what am i doing wrong its so frustrating