Real Estate Analytics API
Build real estate market intelligence tools by extracting listing prices, property attributes, rental comparables, and neighborhood-level data from public property portals.
How It Works
Define the target market
Select geographic areas, property types, and price ranges to scope the extraction against specific search result pages.
Extract listing data
Pull property price, square footage, beds/baths, days on market, price history, and agent details from listing pages.
Build market models
Aggregate extracted data into price-per-sqft matrices, rental yield calculators, and supply-demand trend models.
Quick Start
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.example-realty.com/homes/for-sale/Seattle-WA/",
"extract": {
"listings": [{
"address": "string",
"price": "number",
"beds": "number",
"baths": "number",
"sqft": "number",
"days_on_market": "number"
}]
}
}'Need an API key? — no credit card required.
Related Data Extraction Guides
Related Use Cases
Frequently Asked Questions
What data can I extract from real estate listing pages?
Property price, address, square footage, bedroom and bathroom count, lot size, year built, HOA fees, days on market, price history, property tax estimates, school ratings, and listing agent contact information.
Can I extract rental listing data alongside sales data?
Yes. Target both for-sale and rental listing pages to build combined datasets. Use this to calculate gross rental yields, cap rates, and investment comparables for specific markets.
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
Best Web Scraping APIs in 2026
In-depth comparison of top APIs by cost, features, and success rates.
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.
No credit card required · $1 free credit, up to 5,000 scrapes · Balance never expires