Ajas is a comprehensive, versatile system that can be used via a browser, which includes an appointment booking program, customer register, invoicing and checkout. As additional features, a patient information system, gift card sales, etc. are also available depending on the industry. features. The purpose of this application is to transfer a payment request from Ajas Kassa directly to the SumUP payment terminal. The application also requires the SumUP payment terminal software to be installed on the device