what are payment gateway?

[addisoncave]

Guys,
I want to ask a question. When i was booking my train travel, in the time of payment it say to choose my bank and if my bank is not in the list then he ask me to choose over payment gateway. Now I want to know what these payment gateways are and how they are different from bank payment (both use debit card but in case of bank we need bank's debit card).

[amyjohncse]

paypal is the best one for all

[RH-Calvin]

A payment gateway is a merchant service provided by an e-commerce application service provider that authorizes credit card or direct payments processing for e-businesses, online retailers, bricks and clicks, or traditional brick and mortar.[1] The payment gateway may be provided by a bank to its customers, but can be provided by a specialised financial service provider as a separate service.

[ORLOVA]

In simple terms, Any software that facilitates the communication of Transaction information.

[stuartspindlow0]

A payment gateway is a server that is dedicated to linking websites and banks so that online credit card transactions can be completed in real-time.

[jankosoft]

A payment gateway is a merchant service provided by an e-commerce application service provider that authorizes credit card or direct payments processing for e-businesses, online retailers, bricks and clicks, or traditional brick and mortar.

[kanaktrades]

The payment gateway may be given by a bank to its customers, but can be given by a specialized financial service provider as a separate service.

[stuartkspindlow]

A payment gateway is a software application that payment service providers use to process payments for online purchases, originating on a merchant’s web site.

[ArkPresentation]

Payment gateway allows you to process credit card orders from your website in real time.

[Dam Ponting]

Payment gateway is work like a Payment Gateways are software and servers that transmit Transaction information to Acquiring Banks and responses from Issuing Banks (such as whether a transaction is approved or declined). Essentially, Payment Gateways facilitate communication within banks.