One-click payment is a payment method that enables customers to complete transactions with a single click, leveraging saved payment and shipping information for faster checkout. This system eliminates the need for customers to manually input payment details every time they make a purchase, significantly speeding up the process and enhancing the customer experience. For example, Amazon’s One-Click Ordering allows customers to select products, save payment methods, and finalize purchases in just a single click, making it convenient for repeat buyers. Similarly, subscription services like Spotify or Apple Music use one-click payments to ensure users can easily manage their subscription renewals and payments. Mobile apps, particularly those offering virtual goods or in-app purchases, also employ one-click payments to streamline the purchase process, improving conversion rates and customer retention.