Checkout.js is a lightweight JavaScript library designed for effortless one-time and subscription billing integration.

With Checkout.js, you can:

  • Open dynamic checkouts with prefilled customer details
  • Build pricing pages with localized taxes and discounts applied automatically
  • Interact with checkouts in real time and display relevant information on your page
  • Create smooth upgrade workflows using inline checkouts
  • Reduce churn effortlessly by integrating with Retain
  • Enhance your payment experience with a simple yet powerful solution.

Checkout.js seamlessly embeds a payment widget as an iframe on partner websites, enabling customers to pay without leaving the page.

Check Demo flow

View the checkout.js rendering as a widget on our Demo Page.