webOrderLineItemId 和 transaction id 区别

Asked on 2025-06-30

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In the context of Apple's WWDC sessions, the "webOrderLineItemId" and "transaction id" are both identifiers used in the App Store's transaction system, but they serve different purposes.

  • Transaction ID: This is a unique identifier for a specific transaction, such as an in-app purchase, restore, or subscription renewal. It helps in identifying a specific purchase event. The original Transaction ID is particularly useful for managing the lifecycle of auto-renewable subscriptions, as it remains consistent across subscription renewals. This ID is present in JWS Transaction and JWS Renewal Info.

  • webOrderLineItemId: While not explicitly detailed in the provided context, this typically refers to an identifier used in the context of web orders, possibly related to the order line items in the App Store's backend systems. It is not specifically mentioned in the segments provided, so its exact role in the context of WWDC sessions is unclear.

For more detailed information on transaction identifiers, you can refer to the session Dive into App Store server APIs for In-App Purchase (02:47).