Hello, you must understand that the security of users' financial data is a top priority. The last step is choosing a technical stack and starting the development process. The best way is to use a no-code platform like AppMaster. Thanks to the powerful functionality of AppMaster, its business process editor, data model editor, built-in modules and API integration, you can create a payment application of any complexity. And such companies as, for example, at
https://payadmit.com/ provide services for integrating a ready-made payment system.
