After an official application of merchant is complete, how many days will it take for the production environment to be issued? January 20, 2022 12:45 It will be approximately 10 business days. Related articles Is it possible to use the authentication information of PayPay for Developers in multiple websites? Is it possible to switch over between Web payment and native payment for a service being used in production? Comments 0 comments Please sign in to leave a comment.