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