Web Scraping API

E-commerce Analytics API

Extract bestseller rankings, category trends, seller performance data, and marketplace analytics for competitive intelligence.

$6.3T globally E-commerce market size43% Sellers using market analytics2.5x faster Data-driven sellers growth

How It Works

1

Target marketplaces

Monitor bestseller lists, category rankings, and trending product pages across marketplaces.

2

Extract analytics data

Pull sales ranks, review velocity, pricing trends, and seller metrics from product and category pages.

3

Generate insights

Analyze trends to identify winning products, optimal pricing, and emerging market opportunities.

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://marketplace.com/bestsellers/electronics",
    "extract": {
      "products": [{
        "rank": "number",
        "title": "string",
        "price": "number",
        "reviews": "number",
        "rating": "number"
      }]
    }
  }'

Need an API key? Sign up free — no credit card required.

Related Data Extraction Guides

Amazon Data ExtractioneBay Data ExtractionShopify Data Extraction

Related Use Cases

Price MonitoringMarket Research

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