if you've at any point purchased anything online previously, you've contacted a payment gateway, and likely all without acknowledging it! When you click "buy now" or "purchase," a progression of transactions are occurring between and website and its payment gateway that outcome in an effective buy and the eventual shipment of your products. A payment gateway is a service that enables you to securely accept credit card credit from clients shopping on your website. Consistent with its name, the gateway's role is to pass a client's credit card data through an authentication service, at that point onto your website, so you can utilize their assets to complete a purchase.

Payment Gateway refers to an e-commerce service that approve installments for e-businesses and online retailers. As it were, it represents to a physical POS (Point-of- sale) terminal situated at most retail outlets. Payment gateways scramble delicate data, for example, credit card numbers, to guarantee that data passes safely between the client and the shipper.