Does the API credential information (api key, apiKeySecret) have an expiration date? August 14, 2024 05:34 No, you can use it without a deadline. Related articles Can I change my API key and secret? 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? How long is the user authorization valid? Are there zero suppression of cashback_id in cashback's recon file?