Where can I find my Proof of Purchase? Thomas August 19, 2019 17:25 Updated Your Proof of Purchase can be found in your account Purchase History. Related articles How do I see my order history? How much does a Playground Sessions membership cost? Are there any promo codes available? Do Family Plans share the same payment information? I found a promo code online but it's not working on your site. Help! Comments 0 comments Article is closed for comments.