Web Scraping API

SEO Monitoring API

Track search rankings, extract SERP features, monitor backlinks, and analyze on-page SEO elements across your target keywords.

$8.3B by 2027 SEO software market61% Businesses investing in SEO53% of all web traffic Organic search traffic share

How It Works

1

Define keyword targets

Set up tracking for your target keywords and competitor domains across search engines.

2

Extract SERP data

Pull ranking positions, featured snippets, local packs, and other SERP features for each keyword.

3

Track changes

Monitor ranking movements, detect algorithm impacts, and measure SEO campaign effectiveness over time.

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://www.google.com/search?q=web+scraping+api",
    "advanced": { "render_js": true },
    "extract": {
      "results": [{
        "title": "string",
        "url": "string",
        "position": "number"
      }]
    }
  }'

Need an API key? — no credit card required.

Related Data Extraction Guides

Google Data Extraction

Related Use Cases

Serp Data

Frequently Asked Questions

Can I track rankings across multiple locations?

Yes. AlterLab supports geo-targeted requests, allowing you to check rankings from different locations and see localized SERP results for each target market.

How often should I check rankings?

Most SEO teams track daily or weekly. With pay-per-request pricing, you control frequency without subscription constraints — scale up during algorithm updates and down during stable periods.

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.

Scraping Guides & Resources

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Anti-Bot Handling API

Automatic challenge handling for protected sites — works out of the box.

Web Scraping Pipelines for AI Agents

Build LLM-ready data pipelines that minimize token waste and extraction cost.

Pricing

From $0.0002/request. No subscriptions. Balance never expires.

Your first scrape.
Sixty seconds.

$1 free credit — up to 5,000 scrapes. No credit card.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 · $1 free credit, up to 5,000 scrapes · Balance never expires