Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.

Zaakpay - Zaakpay is an all-in-one payment solution that enables you to ease your online payments load and accept funds from any location and any time.

Recurly - Subscription billing and recurring billing management. Recurly offers enterprise-class subscription billing for thousands of companies worldwide.

Razorpay - Payment gateway solution for India with robust, developer friendly API and simple economic pricing.

Zuora - Zuora creates cloud-based software on a subscription basis that enables any company in any industry to successfully launch, manage, and transform into a subscription business.

Cashfree Payment Gateway - Cashfree is a highly reliable and popular Payment Gateway in India for mobile and website apps.