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Hi, Sometimes I get tons of errors 21104 and 21107 in a row when I try to validate new subscriptions and renew existing subscriptions from our server side by using the endpoint verifyReceipt: POST https://buy.itunes.apple.com/verifyReceipt https://developer.apple.com/documentation/appstorereceipts/verifyreceipt The response of this endpoint doesn't give any extra information: { 		"environment": "Production", 		"status": 21107, 		"is_retryable": true } I noticed that those subscriptions are renewed on the second try after waiting a bit (in a different hour/day). The documentation only indicates that the status codes 21100-21199 are internal data access errors but it doesn't specify each one: https://developer.apple.com/documentation/appstorereceipts/status I understand that it's an error on the Apple side so there is nothing I can do but if someone could give us more information about those errors (21104 and 21107).

Hi,I want to track on backend side when a trial subscription (introductory offer) just ends and Itunes automatically initiates billing against the user's credit card.https://developer.apple.com/library/archive/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/Subscriptions.htmlDoes Itunes send any event when the introductory offer ends? in this case, what notification type does Itunes send?Kind regards,