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OPEN PAYMENT API
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How do you use the "deviceId" when creating an account link QR code?
What are the cases of payment failure?
Tell me when deduction is conducted from users PayPay balance in the case of PreAuth & Capture.
Is the redirect from the payment screen of Web Payment conducted only when a payment succeeds?
Is it possible to change the "AUTHORIZED" status in PreAuth & Capture to "COMPLETED" without using API?
What happens if payment, etc. is conducted during PayPay maintenance?
Is the redirect from the payment screen of Web Payment conducted only when a payment succeeds?
Tell me how to check user authorization expiration.
Tell me how to handle the "OP_OUT_OF_SCOPE" error of Get payment details in SDK.
What is the maximum number of multiple refunds allowed?

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Can It use the same merchantPaymentId multiple times?

January 19, 2022 16:45

No, the same merchantPaymentId cannot be used.

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