By switching the PayPay app to the Sandbox app, it is possible to check payments, cashback, and User Account Link in a test environment.
You can use the Sandbox app by following the steps below.
1. Download The PayPay App from App Store/ Play Store.
2. In the PayPay App SignUp/ Sign In screen, Please Tap on the PayPay Logo 7 times.
3. Press Yes in the half screen to proceed to Developer Mode SignIn Screen
4. The Sandbox application sign-in screen will appear. Enter the test user shown on the dashboard. (https://developer.paypay.ne.jp/dashboard/home)
5. In the OTP screen please enter 1234 and continue.
Please download from the following.
Android(Google Play store)：https://play.google.com/store/apps/details?id=jp.ne.paypay.android.app&hl=en