An application that allows product selection and which calculates the total amount to be charged from a cardholder. Additional functionality may include loyalty handling, stock keeping interface, and so on. This term is often used interchangeably with POS.
The application can run on a physical machine, or can be hosted in combination with an interface for the staff or shopper for kiosks. To initiate payments, the cash register communicates with the Adyen API either via the library or mobile app.