This is one area that is often overlooked as an “out of my hands” part of the affiliate marketing funnel. Once you’ve sent a visitor to the merchant site, all you can do is cross your fingers and hope they ultimately complete whatever action is necessary for you to get your commission. That’s partially true I suppose. But you have more input here than you may realize.
This License governs your use of Program Content in connection with your participation in the Associates Program. By accepting the Agreement, or by accessing or using the Program Content, including the proprietary application programming interfaces and other tools (collectively, the “PA API”) that permit you to access and use certain types of data, images, text, and other information and content relating to Products (“Product Advertising Content”) which we may make available to you, you agree to be bound by this License.
The most critical step is to install the tracking pixel on the 'thank you' page. This enables the affiliate network to see when an affiliate has referred a sale and some of the details of the transaction. Then it's essential to test the tracking pixel and all of the different methods of payment so that the affiliate network can ensure that everything is working correctly.