RealEstateAPI is a developer-first platform that provides real-time access to nationwide real estate data via a unified API. It enables proptech startups, real estate platforms, analysts, and app developers to integrate up-to-date housing data into their applications without negotiating individual data licenses or dealing with fragmented sources.
The platform includes property records, MLS listings, valuations, owner data, and more, covering residential and commercial properties across the U.S. With simple RESTful endpoints and scalable infrastructure, RealEstateAPI is designed for those who want to build data-rich real estate experiences quickly and reliably.
Features
Nationwide Property Coverage: Access data on over 140+ million residential and commercial properties.
MLS-Style Listings: Includes listings with photos, pricing, status, and agent info.
Real-Time Valuation Estimates: Get estimated home values powered by automated valuation models (AVMs).
Owner & Tax Records: Retrieve ownership details, tax assessments, and deed history.
Sales & Rental Data: View historical sales, rental listings, and market trends.
Comparable Properties: Generate comp sets to support valuation and investment analysis.
Zoning & Permit Data: Available in selected markets for developers and city planners.
Simple API Access: RESTful endpoints with secure API key authentication.
JSON Responses: Developer-friendly response format that integrates easily into apps or dashboards.
How It Works
Sign Up and Get an API Key: Create an account on RealEstateAPI.com to access your API credentials.
Choose an Endpoint: Select the appropriate endpoint—property search, valuation, owner info, comps, etc.
Make Requests via REST API: Send standard HTTP requests with your API key and query parameters.
Receive Structured JSON Data: Instantly retrieve detailed real estate data to feed into your application.
Integrate & Scale: Use the data in web apps, CRMs, maps, investor tools, or real estate platforms.
The API is optimized for speed, uptime, and reliability—backed by scalable cloud infrastructure.
Use Cases
Real Estate Platforms: Display MLS-like listings with valuation and neighborhood insights.
PropTech Startups: Power apps for home search, valuation, investment, or analytics.
CRMs & Lead Scoring: Enrich customer data with property ownership and estimated value.
Investment Tools: Generate comps, rental yield estimates, and portfolio analysis dashboards.
Mapping & GIS Apps: Overlay real estate data on maps with location intelligence features.
Real Estate Agents & Brokers: Build tools that showcase property insights and comps for clients.
Pricing
As of May 2025, RealEstateAPI offers flexible, usage-based pricing:
Free Tier
Limited requests per month (ideal for testing)
Access to basic property endpoints
No credit card required
Developer Plan – Starting at $49/month
Higher request limits
Access to core endpoints (property search, valuation, owner data)
Email support
Business Plan – Starting at $199/month
Priority access to all endpoints
Increased rate limits
Usage analytics and API performance dashboard
Email + chat support
Enterprise Plan – Custom Pricing
Unlimited volume and SLA-based uptime
White-label and custom endpoint support
Dedicated account manager and support team
Custom data ingestion and export capabilities
Full pricing details and usage limits can be found at https://www.realestateapi.com/#pricing (if public).
Strengths
Covers over 140 million properties across the U.S.
Developer-friendly with simple API structure and JSON output
Wide range of data: listings, ownership, AVMs, comps, and tax info
Flexible pricing and generous free tier for testing
Easy to integrate into real estate apps and analytics tools
Scalable infrastructure built for high availability
Drawbacks
U.S.-only coverage (no international property data)
Advanced data like permits/zoning may be limited to select regions
No built-in visualization tools—requires external frontend for display
High-frequency use cases may require enterprise plan
Some endpoints may return partial data depending on location
Comparison with Other Tools
RealEstateAPI vs. Zillow API
Zillow offers AVM and property data, but its API access is limited and often gated. RealEstateAPI provides broader access and commercial use rights.
RealEstateAPI vs. ATTOM Data API
ATTOM offers similar comprehensive data but with a more complex onboarding process. RealEstateAPI focuses on ease of integration and rapid deployment.
RealEstateAPI vs. Estated
Estated provides ownership and valuation data but lacks MLS-style listing access. RealEstateAPI offers listings, comps, and broader endpoints.
RealEstateAPI vs. Realtor.com API (Unofficial)
Unofficial Realtor APIs often lack support and stability. RealEstateAPI is official, maintained, and developer-focused.
Customer Reviews and Testimonials
While formal reviews are not yet broadly published, RealEstateAPI has received early praise from developers and PropTech founders:
“We had our MVP up and running with real listing data in under 48 hours thanks to RealEstateAPI.”
“The comp data endpoint is fantastic. Makes investment modeling so much easier.”
“I’ve used several real estate APIs—this one is by far the easiest to integrate and most reliable.”
The platform is especially valued for its speed, documentation, and API reliability.
Conclusion
RealEstateAPI is a powerful and easy-to-use platform that delivers real estate data at scale via API. From property valuations and ownership records to MLS-style listings and comps, it provides everything developers and PropTech startups need to build data-driven applications.
With nationwide coverage, fast onboarding, and developer-first design, RealEstateAPI is an ideal choice for building real estate marketplaces, investment dashboards, mobile apps, and CRMs. Whether you’re a solo founder or an enterprise data team, RealEstateAPI makes it easier to unlock the full potential of property data.