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【Incident Notice】From Jan 22 to the present, an incident is occurring in the Sandbox environment. We apologize for the inconvenience.

PayPay for Developers FAQ

If user's phone number has been changed, will userAuthorizationId also been changed?

If the user has changed the phone number, the userAuthorizationId won't change.
In case the user registered another account using new phone number, new userAuthorizationId will be issued.

アカウントリンク / AccountLink

If the problem persists, please contact us.
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