Web Scraping API

Data Enrichment API

Enrich existing database records with publicly available information from company websites, directories, and public profiles.

$3.5B by 2027 Data enrichment market30% annually CRM data decay rate2-3x higher Enriched lead conversion

How It Works

1

Identify enrichment sources

For each record in your database, find publicly available pages with additional data points.

2

Extract supplementary data

Pull company size, industry, technology stack, funding, and other public attributes.

3

Merge and update

Combine extracted data with existing records to create complete, actionable profiles.

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://company-website.com/about",
    "extract": {
      "company_name": "string",
      "industry": "string",
      "employee_count": "string",
      "headquarters": "string",
      "founded_year": "number"
    }
  }'

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

Related Use Cases

Lead Generation

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