Zippy Courses
To enable support for Zippy Courses, go to Affiliates → Settings → Integrations and check the box that says Zippy Courses:
Once enabled, AffiliateWP will automatically generate referral records when a customer successfully purchases a product on your site after clicking on a referral link.
In Affiliates → Referrals, the Reference column refers to the transaction ID from your merchant processor (Stripe, PayPal, Authorize.net, etc) for the payment recorded in Zippy Courses.
Recurring Referrals
Click here for a guide on generating recurring referrals with Zippy Courses using the Recurring Referrals pro add-on.