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You need to access the windows store for payment, currently, Alipay and WeChat Pay are not supported. Customers need to use credit card to purchase products from Microsoft Store. Please read this document to learn about supported credit card information.
Derive from the official document, each Microsoft Store transaction that results in a successful product purchase can optionally return a transaction receipt. This receipt provides information about the listed product and monetary cost to the customer. Therefore, you could access the receipt information to verify whether the customer purchased your app successfully. The following document describe the detailed steps.
Use receipts to verify product purchases
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