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Embed Overlay Checkout with the Checkout JavaScript SDK

The Freemius Checkout JavaScript SDK is a front-end library that enables embedding the Freemius Overlay Checkout into your web applications.

Freemius provides a CDN-hosted version of the SDK for quick integration; alternatively, you can install it via package managers such as npm or Yarn for modern development workflows.

The sections below include integration and usage examples.

  • Installation Guide - Get started with the Freemius Checkout JS SDK by learning how to include it in your project.
  • Usage Guide - Learn how to utilize the features of the Checkout JS SDK to create a seamless checkout experience.

Contributing

This project is open source, and we welcome contributions. See the contribution guide.

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