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Hi Zetha82, Thank you for post. Below are the answers of the questions you have asked. 1. You can see the total purchase count of your app in the app settings in the developer portal. There is no server side solution available to get the install logs of a particular app in Amazon store. 2. We hide purchase item info inside the purchase token to be validated with secure server to server communication. The item information is not exposed to external world from purchase token. You must keep track of details of the IAP items inside your app (client+server) and you should use purchase token only to validate the purchase securely.

Hi Sujoy, thank you for your response. It means without implementation of java libraries I cant see what is inside purchaseToken? We already work with Google Play and for synchronize orders from GP we use their .net dll to receive all orders to our system . We want to use same concept in case of amazon store but for this one we need to work with java?

Hi Zetha82, Thank you for the post. Actually, you can not extract product info (e.g. name, expiration date, price, quantity etc) neither in java nor .net from purchase token. We hide purchase item info inside the purchase token to be validated only with secure communication from your app server to our Amazon IAP server and the item information is not exposed to external world from purchase token. Also, there is no api exposed from Amazon IAP server to sync the orders with third party app server. If you have further question on this please raise a contactUs, one of our support Engineer would assist you shortly.