The merchant is charged for the purchase immediately after approval, and the status changes to active.
If the payment fails, then the app purchase remains pending.
Purchases start as pending and can change to: active, declined, expired. After a purchase changes, it
remains in that final state.
The app purchase was approved by the merchant and has been activated by the app. Active app purchases are charged to the merchant and are paid out to the partner.
The app purchase has been approved by the merchant and is ready to be activated by the app. App purchases created through the GraphQL Admin API are activated upon approval. As of API version 2021-01, when a merchant accepts an app purchase, the status immediately changes from pending to active.