Can I change my API key and secret? August 14, 2024 04:52 API key and secret can be changed.If you wish to rotate, please contact us. Enquiry form 認証 / Authentication Related articles Where can I find MERCHANT_ID, API_KEY, and API_SECRET in "PayPay for Developers" to use in building the SDK? What applications are required to connect to the production environment? What value should I set for the value of currency parameter? I got an error USER_STATE_IS_NOT_ACTIVE when I performed an Increase Capture.What is the cause of this error? How should I handle an UNAUTHORIZED(08100016) error after switching to Live Mode?