2. Laban Ndwaru
Web and Mobile Software Developer
Msc Student, MTI, Strathmore University
www.labanish.me.ke
3. Payment Gateway
● A service used to process credit card transactions for the
online customers
● These gateways enhance e-commerce
● Some of these gateways requires the user to have a
merchant account
● They offer a transaction fee ranging from 2.5% to 5% based
on the payment method and the volume of transactions
4. Why Online Payment Integration?
● Online Shopping
● Pay for Utility bills
● Make Donations
8. Integration Prerequisites
● API reference- This code enables you to link
to the merchant website to the online
gateway service provider.
● Enables you to monitor the state of
transaction through IPN (Instant Payment
Notifications)
9. Integration Prerequisites
● OAuth -this enhances the security of the
gateway integration.Prevents interference
once a payment request is sent to the
gateway.
● Mostly uses;
○ Consumer Key
11. Online Payment Integration-Security
● SSL- Secured Socket Layer, ensure you are
using this protocol - enables encrypted,
authenticated communication across the
internet.
● Make sure the payment gateway
is verified.
12. Future Contingencies
● Mobile Money Integration
● 3-D secure verification to the credit cards-
Avoid manual checks.
● Develop quality websites which provide more
reliable, user-friendly online payment
services.-this will enhance customers
confidence.