The Simplify Commerce API is a secure platform to build payments into an app or website. The Webhook Objects represent HTTP endpoints that will receive callbacks after various events. The API allows you to add PCI-compliant payment pages to a site, control the user experience, and all of the sensitive payments data is stored on Mastercard servers. This includes; Coupon, FraudCheck, InvoiceItem, TransactionReview, Subscription and more. Simplify Commerce provides a way to implement an all-in-one payment solution for websites, mobile apps and in-person.