The affiliate module is not a stand-alone application, it is included with Pabbly Subscription Billing as one of the inbuilt unique features through which one can run & manage his own referral program. Also, the dunning management system is an inbuilt feature in the application that automatically hits when any payment gets declined due to some reason.
So, both of the above features will work only with the checkout pages of our software & not with other ones. Since their framework is designed in a way wherein purchase through our checkout page is necessary for the smooth functioning of such unique inbuilt features. For reference, please check the below links -
Affiliate Module -
https://www.pabbly.com/subscriptions/docs/affiliate-management-system/#section1
Dunning Management System -
https://www.pabbly.com/subscriptions/docs/features/#section21
Hence, you can also use our system to manage your business activities accordingly.