First, login as admin, and go in Setting. Go in the Finances tab, and make sure Tool used for subscriptions is PayStack.

Create your account on https://paystack.com/

Then get your Public Key and Private Secret

Enter them in Settings → Apps & Plugins → Paystack Subscribe configuration

Create your plans

And enter the Paystack Plan id for the appropriate plan.

Once this is done, you need to setup web hook in RazorPay

Your web hook is

<aside> 🌐 https://yourwebsite.com/paystacksubscribe/webhook

</aside>