The document discusses payment gateways. It defines a payment gateway as an e-commerce service that authorizes payments for online retailers. It then describes how payment gateways work in 3 steps: (1) sensitive payment information is encrypted when submitted from the customer to the merchant's server and payment gateway; (2) the payment gateway passes the transaction details to the acquiring bank and issuing bank; (3) the banks process the transaction and send an encrypted response back to the customer via the payment gateway and merchant.

1. Payment Gateway
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2. Asif Hussain
• Project Manager & Lead Business Analyst
Sapphire Consulting Services
[www.sapphirecs.net]
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Skype: aasifhussain
• Bahria University [BE, Computer]
• CBM (IoBM) [MBA, Marketing ]
• PMP & Oracle Siebel CRM Certified
• CRM , Online Stock Trading & Islamic Financial Consultant
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3. Payment Gateway
• What is Payment Gateway?
• How Payment Gateway works.
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4. What is Payment Gateway
• Payment Gateway refers to an E-commerce
service that authorizes payments for E-
business & online retailers.
• Payment gateways encrypt sensitive
information, such as credit card numbers, to
ensure that information passes securely
between the customer and the
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5. How Payment Gateway works?
• 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.
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6. How Payment Gateway works?
• Merchants acquiring bank then forwards the
transaction information to the issuing bank.
• Bank sends a response back to the Payment
Gateway.
• The response is then forwarded by the
Payment Gateway to the merchants server.
• Encrypted response is relayed back to the
customer.
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7. How Payment Gateway works?
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8. Some Payment Gateways
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9. Q
A
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