How to use pending_payments properly?
How can I determine the success or failure of payment?
Is the orderItems item displayed to users from the app?
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?
After being notified by Pending Payments,how do users pay?
Does the setting range of expireDate which is a parameter of Create a Pending Payment include exactly 48 hours?
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?
What is the requestType productType? What to specify?
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?