Common
- Can a merchant create a QR code from a PayPay payment request?
- What settings can I change on PayPay for Developers?
- Why is the CREATED status returned for payments that have completed when executing get payment details?
- I forgot my PayPay for Developers login address. What can I do?
- Can I use Alipay+ for online payments?
- How do I configure HMAC authentication?
- There are multiple contact points for inquiries and I don't know the difference.
- What are the application items required to connect to the production environment?
- Are there any restrictions by IP address when using PayPay's various APIs?
- Where can I find MERCHANT_ID, API_KEY, and API_SECRET in "PayPay for Developers" to use in building the SDK?
- Can I change my API key and secret?
- Does the API credential information (api key, apiKeySecret) have an expiration date?
- When handling multiple merchant, are the API credential information (api key, apiKeySecret) different for each?
- What is AssumeMerchant?
- What is the link between the status on the transaction list screen in PayPay for Developer and the status that can be obtained in Get payment details?
- Tell me how to handle the "OP_OUT_OF_SCOPE" error of Get payment details in SDK.
- What happens if you make payment multiple times with the same merchantPaymentId?
- I would like to make a refund from PayPay for Business, what should I do?
- I got an error USER_STATE_IS_NOT_ACTIVE when I performed an Increase Capture.What is the cause of this error?
- Is it possible to set query parameters in the redirect URL?
- Can I add multiple users to PayPay for Developers?
- What value should I set for the value of currency parameter?
- How do you use the "deviceId" when creating an account link QR code?
- What are the cases of payment failure?
- Can I change the merchant name and logo image?
- When does the UAID status become "INACTIVE"?
- How I can check wallet balance?
- How can I confirm if the user has terminated his/her user account?
- What is the expiration date for get payment detail?
- Is it possible to separate sales details for each product?