Universal POS System with Payments

A complete, website-agnostic point of sale system with payment processing, AI assistance, and admin dashboard. Integrates with any website using simple HTML data attributes!

Key Features

This POS system provides everything you need for e-commerce functionality with minimal integration effort.

Product Detection

Automatically detects products using HTML data attributes. No manual registration required.

Inventory Management

Real-time inventory tracking with automatic stock updates and low stock warnings.

Shopping Cart

Full-featured shopping cart with quantity controls, item management, and persistent storage.

Payment Processing

Secure payment processing with Stripe, PayPal, Apple Pay, and Google Pay integration.

Local Storage

Persistent cart and inventory data using localStorage with optional external API sync.

Mobile Responsive

Fully responsive design that works perfectly on desktop, tablet, and mobile devices.

Sample Products

Try adding these products to your cart. Notice how the inventory updates in real-time and prevents overselling.

Professional Laptop
Professional Laptop
High-performance laptop perfect for professionals and creatives
$1,299.99
SKU: ELEC-LAP-001 Electronics
Smartphone X
Smartphone X
Latest smartphone with advanced camera and AI features
$899.99
SKU: ELEC-PHN-002 Electronics
Pro Headphones
Pro Headphones
Noise-canceling headphones with studio-quality sound
$249.99
SKU: ELEC-AUD-003 Electronics
Premium Hoodie
Premium Hoodie
Comfortable premium cotton hoodie in various colors
$79.99
SKU: CLTH-HDD-001 Clothing
Designer Jeans
Designer Jeans
Premium denim jeans with perfect fit and comfort
$129.99
SKU: CLTH-JNS-002 Clothing
Limited Edition Watch
Limited Edition Watch
Exclusive limited edition smartwatch with premium materials
$499.99
SKU: ACC-WTC-001 Accessories

Easy Integration

Integrating the Universal POS system into your website is as simple as including the CSS/JS files and adding data attributes to your products.

<!-- Include the POS system files --> <link rel="stylesheet" href="pos-styles.css"> <link rel="stylesheet" href="pos-payment-ui.css"> <script src="pos-system.js"></script> <script src="pos-payments.js"></script> <!-- Add data attributes to your products --> <div class="product" data-pos-product="unique-product-id" data-pos-name="Product Name" data-pos-price="99.99" data-pos-inventory="10" data-pos-category="electronics" data-pos-sku="PROD-001"> <!-- Your product content --> <h3>Product Name</h3> <p>Product description</p> <!-- POS system will automatically add cart functionality --> </div> <!-- Initialize with custom options (optional) --> <script> window.universalPOS = new UniversalPOS({ currency: '$', taxRate: 0.08, shippingCost: 9.99, apiEndpoint: '/api/checkout' }); </script>

Live Demo Controls

Use these controls to test the system's functionality and see how it handles different scenarios.

Checkout Flow Demo

Experience the complete checkout process. Add items to your cart above, then follow these steps to complete a demo purchase.

1
Cart Review
Review items
2
Shipping
Enter address
3
Payment
Select method
4
Complete
Order confirmed

Your Cart

Your cart is empty. Add some products above to try the checkout demo.

Supported Payment Methods

Credit Card
PayPal
Apple Pay
Google Pay
Square
Authorize.Net

Demo Mode: This is a demonstration. No real payments will be processed. In production, connect your payment processor API keys.

API Integration

The system can integrate with your existing backend API for order processing, inventory sync, and customer management.

Real-time Sync

Sync inventory and cart data with your backend systems in real-time.

Order Management

Send complete order data to your API endpoint for processing and fulfillment.

Secure Checkout

Integrate with payment processors and handle secure transactions.

Analytics

Track user behavior, cart abandonment, and sales metrics.

Universal Product Detector

The Product Detector automatically finds products on any webpage using Schema.org data, data attributes, and intelligent heuristics. Works on Shopify, WooCommerce, Wix, Squarespace, and custom sites.

Detected Products

Click "Scan Page" to detect products on this page

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Total
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High Conf.
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With Price
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With Image

Smart Detection

Uses Schema.org JSON-LD, microdata, data attributes, and DOM heuristics for maximum compatibility.

Confidence Scoring

Each product gets a confidence score based on multiple signals - filter out false positives automatically.

Browser Extension

Install the extension for Learn Mode - click to teach the detector on any custom site.

Platform Adapters

Built-in support for Shopify, WooCommerce, Wix, Squarespace, BigCommerce, and Magento.