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 Related articles Where can I find MERCHANT_ID, API_KEY, and API_SECRET in "PayPay for Developers" to use in building the SDK? What are the application items required to connect to the production environment? I got an error USER_STATE_IS_NOT_ACTIVE when I performed an Increase Capture.What is the cause of this error? What value should I set for the value of currency parameter? Tell me how to handle the UNAUTHORIZED(08100016) error that occurs when switching to the production environment.