Web Scraping API

Product Reviews API

Collect product ratings, review text, verified purchase signals, and helpfulness votes from public e-commerce review sections to power sentiment analysis and product intelligence platforms.

93% Consumers who read reviews before purchase200+ Average review count per top product$6.2B by 2028 Sentiment analysis market size

How It Works

1

Target product review pages

Point the API at product listing pages or dedicated review sections to capture review data.

2

Extract review metadata

Pull star ratings, review text, reviewer handles, date, verified purchase flags, and helpfulness votes.

3

Analyze sentiment at scale

Aggregate extracted reviews for sentiment scoring, topic modeling, and competitive product benchmarking.

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.example.com/product/widget/reviews",
    "extract": {
      "reviews": [{
        "rating": "number",
        "title": "string",
        "body": "string",
        "date": "string",
        "verified": "boolean"
      }]
    }
  }'

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Related Data Extraction Guides

Related Use Cases

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

    Web Scraping API for Product Reviews | AlterLab | AlterLab