Build an E-commerce Backend API
Create a complete e-commerce API with products, shopping cart, orders, and payment processing. Perfect for building online store frontends.
What You'll Build
E-commerce Features
- Product catalog with categories
- Shopping cart management
- Order processing & tracking
- Payment integration patterns
- Inventory management
- Product search & filtering
- Reviews & ratings
- Wishlist functionality
What You'll Learn
- Complex data modeling
- Cart state management
- Order workflow design
- Payment API patterns
- Inventory tracking
- Advanced filtering
- Status transitions
- E-commerce best practices
Create E-commerce Project
First, create a new project in Mock API Builder:
ecommerce-api)Define Products Schema
Create a comprehensive product schema with pricing, inventory, and images:
| Field | Type | Description |
|---|---|---|
price | String | Current product price |
compareAtPrice | String/Null | Original price (for sale items) |
stock | Number | Available inventory |
rating | Float | Average customer rating (3.0-5.0) |
images | Array | Product image URLs |
Configure Product Endpoints
/productsList products with advanced filtering, sorting, and search:
| Parameter | Description |
|---|---|
category | Filter by category |
minPrice | Minimum price filter |
maxPrice | Maximum price filter |
inStock | Show only in-stock items |
sort | Sort by: price, rating, name, created |
search | Search in name/description |
/products/:idGet full product details including all images, specifications, and reviews:
Shopping Cart Endpoints
/cartRetrieve current cart with items and totals:
/cart/itemsAdd product to cart:
/cart/items/:productIdUpdate item quantity:
/cart/items/:productIdRemove item from cart:
Order Management
/ordersCreate order from cart (checkout):
/ordersGet order history with status filtering:
Order Status Values: pending, processing, shipped, delivered, cancelled
/orders/:idGet complete order details with tracking:
Product Categories
/categoriesGet all product categories with counts:
Product Reviews
/products/:id/reviewsGet product reviews and ratings:
/products/:id/reviewsSubmit a product review:
React Shopping Cart
Complete React component with shopping cart:
E-commerce Best Practices
Important Considerations
Security
- • Validate payment data on server
- • Use HTTPS for all transactions
- • Implement rate limiting
- • Never store payment details
Performance
- • Cache product listings
- • Lazy load product images
- • Implement pagination
- • Use CDN for static assets
User Experience
- • Show stock availability
- • Provide order tracking
- • Save cart across sessions
- • Enable guest checkout
Business Logic
- • Handle inventory properly
- • Calculate taxes correctly
- • Support multiple currencies
- • Implement refund workflow
Congratulations! 🎉
You've built a complete e-commerce backend API with:
This API provides everything you need to build a production-ready e-commerce frontend. Add payment processing with Stripe or PayPal for a complete solution!