Real EstateDifficulty: Advanced

Zillow Data Extraction

Extract publicly available data from Zillow at scale using AlterLab's API — JavaScript rendering, structured extraction, and automatic retries in one request.

Automatic renderingJavaScript supportStructured data extractionChallenge resolution

Website Compatibility Notes

Zillow uses advanced protections and dynamically loads property data via JavaScript. Full browser rendering is essential for complete data extraction.

Quick Start — Extract from Zillow

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.zillow.com/homedetails/123-main-st/12345_zpid/",
    "advanced": { "render_js": true }
  }'

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

Python Example

Python

import requests

response = requests.post(
    "https://alterlab.io/api/v1/scrape",
    headers={
        "X-API-Key": "YOUR_API_KEY",
        "Content-Type": "application/json",
    },
    json={
        "url": "https://www.zillow.com/homedetails/123-main-st/12345_zpid/",
        "advanced": {"render_js": True},
    },
)

data = response.json()
print(data["content"][:500])  # First 500 chars of extracted content

Frequently Asked Questions

How do I extract Zillow property listings?

Send property detail URLs to AlterLab with JavaScript rendering enabled. AlterLab handles Zillow's dynamic content loading and returns complete property details including price, bedrooms, bathrooms, sqft, and listing history.

Can I extract Zillow search results for a specific area?

Yes. Pass Zillow search URLs with location parameters. AlterLab renders the map-based results and returns property cards with prices, addresses, and basic property details.

What property data does AlterLab extract from Zillow?

You can extract listing prices, property details (beds, baths, sqft), Zestimate values, listing descriptions, photos URLs, tax history, and price history from publicly accessible Zillow pages.

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. Do not use this service to access non-public, authenticated, or personally identifiable data without appropriate authorization.

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