---
title: "CheckoutOS Documentation | Chargezen"
description: "Maximize every transaction with checkout optimization, post-purchase upsells, and dynamic bundling."
url: "https://chargezen.com/docs/checkoutos"
lang: "en"
---

Canonical URL: https://chargezen.com/docs/checkoutos

# CheckoutOS Documentation

Maximize every transaction with checkout optimization, post-purchase upsells, and dynamic bundling.

CheckoutOS is Chargezen's checkout optimization suite that helps you maximize Average Order Value (AOV) and conversion rates through intelligent post-purchase upselling, checkout extensions, and dynamic bundling.

Monthly Pricing

CheckoutOS is available for **$99/month**. No transaction fees, no hidden costs. Teams that expand can add other Chargezen products to the same workspace.

## Get Started

New to CheckoutOS? Start with these guides to get up and running quickly.

[

### Introduction

Learn what CheckoutOS is and how it can boost your revenue

Learn more



](https://chargezen.com/docs/checkoutos/getting-started/introduction)[

### Quick Start

Get CheckoutOS running on your store in minutes

Learn more



](https://chargezen.com/docs/checkoutos/getting-started/quick-start)[

### Installation

Step-by-step installation guide for Shopify stores

Learn more



](https://chargezen.com/docs/checkoutos/getting-started/installation)

## Core Features

Explore the key features that make CheckoutOS the complete checkout optimization solution.

[

### One-Click Upsells

Post-purchase upsell offers with one-tap acceptance

Learn more



](https://chargezen.com/docs/checkoutos/one-click-upsells/overview)[

### Checkout Extensions

Customize your checkout with trust badges, progress bars, and more

Learn more



](https://chargezen.com/docs/checkoutos/checkout-extensions/overview)[

### Dynamic Bundles

AI-powered bundle creation based on cart contents

Learn more



](https://chargezen.com/docs/checkoutos/dynamic-bundles/overview)[

### Smart Recommendations

Personalized product suggestions powered by machine learning

Learn more



](https://chargezen.com/docs/checkoutos/smart-recommendations/overview)

## Optimize Revenue

Take your checkout to the next level with advanced optimization features.

[

### Subscription Upsells

Convert one-time buyers to subscribers at checkout

Learn more



](https://chargezen.com/docs/checkoutos/subscription-upsells/overview)[

### Discount Functions

Custom discount logic and checkout rules

Learn more



](https://chargezen.com/docs/checkoutos/discount-functions/overview)[

### A/B Testing

Test offers, placements, and messaging

Learn more



](https://chargezen.com/docs/checkoutos/ab-testing/overview)

## Measure Success

Track performance and make data-driven decisions.

[

### Analytics Dashboard

Track AOV lift, conversion rates, and revenue impact

Learn more



](https://chargezen.com/docs/checkoutos/analytics/dashboard)[

### API Reference

Integrate CheckoutOS with your existing tools

Learn more



](https://chargezen.com/docs/checkoutos/api/authentication)

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Need more help? [Contact support](https://chargezen.com/docs/checkoutos/troubleshooting/support)