Easy Affiliate supports a 0-configuration integration with MemberPress. Just head to your Easy Affiliate > Settings > eCommerce tab, and turn on the MemberPress integration.
That's it! Easy Affiliate will now automatically begin tracking referrals through your MemberPress Membership registrations.
Be sure to add some creatives your Affiliates can use to promote your memberships.
Easy Affiliate uses the Transaction ID (integer) from MemberPress as the Invoice (sometimes called Unique Order ID) for the commission transaction.
Copy the Invoice number from the Easy Affiliate > Transactions page.
Then head to the MemberPress > Transactions page and search for it by Id: