Subscription, Billing and Payment platform

Features:
Subscription billing: Being able to sell recurring (daily, weekly, monthly, yearly) subscriptions to customers.
Free trials: Apply free trials to subscription offerings.
Split Pricing: Being able to split the price of a service into separate dynamic intervals. For example, if you have a $1,000 service, and you want 20% upfront, 30% after one month, and 50% after three months.
Self-service portal: Allow customers to request the subscription offering through a self-service portal.
Add-on pricing: Allowing add-ons to upsell subscription offerings.
Stripe Integration: Stripe is the most popular payment gateway system. A billing system needs to have a direct Stripe integration.
Integrations and APIs: APIs to integrate with existing applications and have an extensible architecture for building plugins.