Is it possible to link multiple merchant accounts to one PayPay account? January 19, 2022 18:50 Yes, it is possible in terms of the system. As its specifications, the user ID on the merchant side is set to referenceId, but PayPay does not conduct duplication check, etc. Related articles Is it avaliable for user to use same PayPay MiniApp account on different devices? Comments 0 comments Please sign in to leave a comment.