Common
- Is it possible to separate sales details for each product?
- Is it avaliable for user to use same PayPay MiniApp account on different devices?
- Can I create testing for error cases?
- What happens if payment, etc. is conducted during PayPay maintenance?
- Tell me how to conduct a test in a real store before going live.
- Tell me how to check user authorization expiration.
- Tell me how to handle an UNAUTHORIZED(08100016) error under the test environment.
- I have received an error response on API during development. Tell me how to handle it.
- Is it allowed to conduct a load/performance test in the test environment?
- Tell me how to handle API timeout.
- Tell me how to handle when API response returns CANCELED_USER.
- What happens if a rate limit such as TPS is exceeded?
- Can I test settlement limits in the test environment?
- How should I handle an UNAUTHORIZED(08100016) error after switching to Live Mode?
- Does PayPay provide an API health check function?
- There are three URLs listed on the endpoint of the specification. Which one should I use?
- What happens to the API response when maintenance is being performed on the PayPay side?
- Is it possible to pay for 0 yen?
- Is the orderItems item displayed to users from the app?
- If a timeout occurs on the PayPay side, is the cancellation process executed by PayPay? If so, what should the merchant system do?
- If the total amount of unitprice of orderItems in multiple items exceeds the amount set in amount, will an error occur in the system? If there is no error, is the amount actually traded the amount in the amount item? If 0 is not allowed in the unit price
- Cannot redirect to merchant app on Android