Welcome to OpenKuber!
Everything you need to build the best developer experience.
Products
Pick a product to view its documentation and start integrating.
Payments
Accept one-time and recurring payments with a simple, unified API
Subscriptions
Create and manage recurring billing plans with built-in proration and trials
Invoicing
Generate, send, and track invoices automatically
Checkout
Drop in a pre-built payment form with support for 30+ payment methods
Revenue
Track MRR, churn, and revenue metrics in real time
Webhooks
Get notified of billing events with reliable webhook delivery
API Reference
Full reference documentation for every endpoint, including request and response schemas, error codes, and authentication details.