Payment Gateway Integration
Payment Gateway refers to an e-commerce service that authorizes payments for e-businesses & online retailers. In a way, it represents a physical POS (Point-of-sale) terminal located at most retail outlets. Payment gateways encrypt sensitive information, such as credit card numbers, to ensure that information passes securely between the customer and the merchant.

Types of Payment Gateways
The Payment Gateway is needed to be acquired by the owner of the site and the integration of the same in to the website is performed by us. There exists various types of Payment Gateways, some of which are mentioned below & since it requires varying amount of effort in integrating; so cost for integration of each Payment Gateway varies accordingly, starting from the minimum amount of Rs 5000/-

Payment Gateway Process

Working of Payment Gateway

Though it may sound simple but actually the entire working of a payment gateway comprises of multiple complex steps; a brief of which is given below: -

• Visitor places the order on the website and it is sent to the merchant's web server in encrypted format. This is usually done via SSL (Secure Socket Layer) encryption.
• The transactions details are then forwarded to the concerned Payment Gateway.
• The transaction information is then passed on to the merchants acquiring bank by the Payment Gateway.
• Merchants acquiring bank then forwards the transaction information to the issuing bank (one that issued the credit card to the customer).
• Then the card issuing bank sends a response back to the Payment Gateway. The response includes information that whether the payment has been approved or declined. In case of declination the reason is also sent in the response.
• The response is then forwarded by the Payment Gateway to the merchants server.
• At merchants server the response is encrypted again and is relayed back to the customer. This allows the customer to know that whether the order has been placed successfully or not.
• The entire process typically takes less than 5 seconds. At the end of the bank day (or settlement period), the acquiring bank (or card issuing bank) deposits the total of the approved funds in to the merchants nominated account.
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