Hello, when choosing a payment system, first of all, you should understand that it must meet the requirements and needs of both your business and your customers. Therefore, the payment processing process should be secure, convenient, simple and fast, as well as support various payment methods and be suitable for your platform or mobile application. The wrong choice will lead to errors in the system, failures in payments and loss of customers. For my part, I can recommend you to visit https://payadmit.com/features/card-processing/ to read information about one of the most reliable and popular payment systems.