What is an Activity ID? Customer Service January 02, 2018 21:48 Updated Follow An Activity ID tracks a click to a Store site from the ShopAtHome site or Savings Button. It only confirms a click, not a purchase. You can view your list of Activity IDs by clicking My Activity IDs from your My Cash Back page. Related articles What purchases qualify for Cash Back? Why don't I see Cash Back for a purchase? How do I receive my Cash Back? Where Do I Find My Cash Back Purchases? How does payment from Amazon and PayPal work? Comments 0 comments Article is closed for comments.