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# @comgate/checkout-js  [](https://npm-stat.com/charts.html?package=@comgate/checkout-js) [`@comgate/checkout-js`](https://www.npmjs.com/package/@comgate/checkout-js) is the official JavaScript loader for [Comgate Checkout](https://apidoc.comgate.cz/checkout/uvod). It provides a **secure, promise-based API** for loading and working with the Comgate Checkout SDK directly in your web application. - ✅ Asynchronous loading with built-in error handling - ✅ Full TypeScript typings out of the box - ✅ Preload and cache SDK scripts before use - ✅ Compatible with all modern bundlers and frameworks > The legacy package [`@comgate/checkout`](https://www.npmjs.com/package/@comgate/checkout) is **deprecated**. All functionality is now included in `@comgate/checkout-js`. ## Table of Contents - [Overview](#overview) - [Installation](#installation) - [Quick Start](#quick-start) - [Difference between `@comgate/checkout-js` and `@comgate/checkout`](#difference-between-comgatecheckout-js-and-comgatecheckout) - [Why use `@comgate/checkout-js`](#why-use-comgatecheckout-js) - [API Reference](#api-reference) - [Examples](#examples) - [Resources](#resources) - [License](#license) ## Overview `@comgate/checkout-js` allows developers to seamlessly integrate **Comgate Checkout** into web applications without manually handling `