Tell me the domain of linkQRCodeURL to be obtained with Create Account Link QR Code.
Is it possible to link multiple merchant accounts to one PayPay account?
Tell me how to handle the "EXPECTATION_FAILED" error in User Account Link.
When there are multiple MIDs, is it necessary to link a user account by MID?
Does a user authorization expire in 15 minutes?
Is it possible to test an expired account?
There are two ways to obtain user authorization. Which should I use?
Transition of user authorization screen (WEB base)
If you cancel Acquire user authorization from the PayPay app, you will be notified by WEBHOOK, How will I be notified if I cancel the authorization while the same PayPay user has acquired the Acquire user authorization multiple times?
What kind of API response is returned when I try to make a payment to a user whose valid period for user authorization has passed?