APP Store Server Notifications Unrelated transactions info for auto-renewable subscription

Question

Created Jul ’24

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Greetings for App Store Server Notifications especially sandbox (I have not tried production) it seems that that is no way to associate two transactions to their orignal subscription instance the docs indicate webLineItemOrderId id but they are different from each subscription the originalTransactionId is the same among all subscription instances and customers, theres originalPurchaseDate but that is not reliable becuase 2 transactions can occur on the same date what can be done here. I even tried to use it but its like the sandbox is broken with the originalPurchaseDate of one instance being the same as another. is it a bug or will things get in line once I go to production?

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Answer 1

App Store Commerce Engineer OP

Apple

Jul ’24

Hello! originalTransactionId should be unique and remain the same across renewals, across devices, for each subscription group the user (test account for sandbox, not in-app account) is subscribed to. For more info, see Support customers with StoreKit 2 and App Store Server API

If original transaction id remains the same across different users, that doesn't sound right, please file a ticket via https://feedbackassistant.apple.com/ and share your FB# ticket number here. Thank you!

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