You would be a Website Designer or a Mobile App Developer and if you are building an e-Commerce solution for your client then you would definitely need to go for a good Payment Gateway whose platform is flexible to customise and offers competitive transaction rates. We have used PayU for some of our client websites who are very satisfied with its performance and support.
Payment Gateway for your Website and App
Give your customers the best payment experience from anywhere with multiple payment options.
Built for Developers
Everything is ready, packed and set for developers to plug and play payments with our checkout. Just point them to our developer section and get your payments powered in a jiffy.
PayU - Official Wordpress Plugin - https://wordpress.org/plugins/payu-india/