Is it possible to specify an IP address for the callback domain of user authorization? April 14, 2022 04:38 Updated No, it is not possible to specify an IP address. Please specify a domain. Related articles How do I get the user authorization scope? What is the behavior like when a request is conducted with an expired userAuthorizationId? When Cashback is in the ACCEPTED state, is it posted in "Pending Points" on PayPay App? Tell me the recommended flow of User Authorization including abnormal case. Does an error occur if user authorization is conducted with a referenceId that has been already user-authorized? Comments 0 comments Please sign in to leave a comment.