A Payment Gateway is an ecommerce benefit that procedures charge card payments for on the web and customary physical stores. Payment gateways encourage these exchanges by exchanging key data between payment portals, for example, web-enabled mobile devices/websites and the front end processor/bank. In other word it is service provided by an e-commerce applications service provider by which one do the transaction of money on the go via authorized credit card, debit card or e-banking for any kind of e-business, e-services, online retailers or traditional shops.

A payment gateway works as the bridge for information transmission like payment transaction details, details of amount to be get paid. These information are being exchanged between payment portal and acquired bank or front-end user. Payment gateways satisfy a key part in the ecommerce exchange prepare, approving the payment amongst trader and client. Mainstream payment gateways incorporate PayPal/Braintree, Stripe, and Square.

The way of working of a payment gateway is pretty much simple. Payment Gateway can be simply an application or a website serving with the same purpose of making a successful transaction of money. First a customer places order on website, or in bricked shops. Now customer put his/hers card details or the Net-banking details to the acquired fields. Now the browser encrypt the data and send it to the merchant's webserver. This encryption help us from getting future false transaction or information leaks of account. In respond to that merchant also sent an encrypted data of their bank detail to client's bank and by the mean of these encrypted data a transaction took place.
"Payment gateways even figure charge adds up to approve demands transmitted to the processor. It's good to Go Cashless, Go Green."