ChargeBee delivers Subscription Billing Infrastructure for online applications.
Integrated readily with to 30+ popular payment gateways and takes the pain away from gateway lock-ins and provides the ability to transact via multiple gateways.
With ChargeBee, businesses can spend less time worrying about billing and more about getting customers.
Our API & documentation is one of the best and our customers love it.
Check it out here: https://apidocs.chargebee.com/docs/api