Web Scraping API

Product Catalog Extraction API

Extract complete product catalogs including images, specifications, variants, and pricing from any e-commerce platform.

24B+ listings Global e-commerce products$7B by 2027 Catalog management market30% return rate increase Product data errors impact

How It Works

1

Discover product pages

Start from category pages or sitemaps to identify all product URLs in a catalog.

2

Extract product data

Pull titles, descriptions, images, prices, variants, SKUs, and specifications from each product page.

3

Sync to your system

Feed structured product data into your database, marketplace listing, or comparison engine.

Quick Start

cURL
curl -X POST https://alterlab.io/api/v1/scrape \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://store.com/products/widget-pro",
    "extract": {
      "title": "string",
      "price": "number",
      "images": "string[]",
      "sku": "string",
      "variants": [{ "name": "string", "price": "number" }]
    }
  }'

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Related Data Extraction Guides

Amazon Data ExtractioneBay Data ExtractionShopify Data Extraction

Related Use Cases

Price Monitoring

Frequently Asked Questions

Responsible Use

AlterLab is designed for extracting publicly available data. Always review the terms of service for any website you access, respect robots.txt directives, and ensure your use case complies with applicable laws in your jurisdiction.

Your first scrape.
Sixty seconds.

$1 free balance. No credit card. No SDK.Just a POST request.

terminal
curl -X POST https://api.alterlab.io/v1/scrape \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"url": "https://example.com", "formats": ["markdown"]}'

No credit card required · Up to 5,000 free scrapes · Balance never expire