AffiliateWP Store Credit
AffiliateWP Store Credit – Pay your affiliates with store credit! Simply install the add-on and the next time you mark an affiliate’s referrals as paid, they will receive store credit. When an affiliate adds a product to the cart and proceeds to checkout, they will have the option of spending their store credit.
The Store Credit add-on supports WooCommerce and Easy Digital Downloads.
Note: using Store Credit with Easy Digital Downloads requires the EDD Wallet extension. It can be purchased from the Easy Digital Downloads website.