PayPay for Developers FAQ

Can the amount be changed before it is fixed for PreAuth & Capture?

If the user's confirmation is required at the time of Capture (payment confirmation), how many hours do I have to obtain the user's confirmation?

The orderDescription of Capture a payment authorization is mandatory, unlike Create a Code. How will this be displayed to the user when set here? How would it be used if it is not visible to the user?

When making a sale with an amount exceeding the increase amount, the user will be notified of consent. Is this notification going to the user's PayPay application?

What is the maximum valid period of Pre-auth?

When I execute the payment request, the error when SUSPECTED_DUPLICATE_PAYMENT is returned.

When is the status of the transaction updated?

If the amount at the time of capture is different from the amount at the time of Pre-auth What happens to the user's action?

What happens if the valid period of Pre-auth has passed? There will the amount blocked be refunded to the user?