Payment Gateway Workflow Accepting customer payments (by credit card, cheque, PayPal and other forms) using payment transaction approval services during checkout presents a unique problem.
![](https://www.bttpay.com/wp-content/uploads/2016/02/Payment-Gateway-Workflow.jpg)
Payment Gateway Workflow Accepting customer payments (by credit card, cheque, PayPal and other forms) using payment transaction approval services during checkout presents a unique problem.