Data Format & Delivery
Data accessible via a RESTful or GraphQL API endpoint Browse every data source tagged with "API".
80 sources
Commercial API for US property, ownership, transaction and mortgage data.
Addresscloud US Property (usprop) is a dataset providing property information across the United States.
AirDNA provides short-term rental data and analytics for hosts and investors. It offers insights into market performance and property earning potential.
Weekly housing market data and reports broken down by ZIP Code and market quartiles via web platform and API.
Annual US population and housing estimates from the Census Bureau.
ArcGIS Business Analyst is Esri’s location-based market and community intelligence software. It combines demographic, business, lifestyle, spending, and census data with map-based analytics.
Backflip offers fix and flip loan options and free tools for deal and comparable property analysis for real estate investors.
National building permit and contractor license data with over 326M permits and 85% US coverage.
CIMLS.com is a commercial real estate listing service that provides property marketing, data, and listing management services.
Comprehensive commercial real estate data and analytics.
Multifamily rental listings and lease comparables data via web platform and API for US markets.
Nationwide commercial real estate listings and market data for office, industrial, retail, and coworking spaces.
Enterprise property data API with comprehensive coverage.
Provider of property, market, valuation and hazard data products.
Parcel-level ownership, deed, and recorded document data for 150M+ US properties via web platform and API.
DealGround provides commercial real estate data with 62M+ properties, including tenant info, transaction history, and ownership contacts.
Dwellsy is a rental housing platform that lists apartments, houses, townhouses, condos, and mobile homes for rent.
Unit-level final asking rent data from 17M+ residential listings sourced directly from property management systems nationwide.
High-resolution aerial imagery and AI-driven property measurements with 1-inch accuracy via unified platform and subscription.
Flood zone and flood risk data delivered via API for properties across the United States.
API providing real-time data to identify if loans are owned by Fannie Mae for refinance and underwriting eligibility.
Property-level physical climate risk data on flood, wildfire, and wind hazards via API and open data for real estate assets worldwide.
Climate risk and flood zone data with property-level assessments via web platform and API.
ICE provides nationwide foreclosure data covering notices of default, trustees, auctions, and bank-owned properties across judicial and non-judicial states.
Point-of-interest data with 300+ place types and attributes for location analysis via BigQuery integration.
1–10 ratings for public schools based on student progress, test scores, and college readiness across all 50 US states and D.C.
Predictive analytics, real-time market data, and company-level intelligence for commercial real estate and infrastructure.
Public mortgage application and origination data published under HMDA.
HUD PD&R portal for housing research, datasets and policy publications.
Real-time property data on home value, equity, and mortgage status for 98% of US homes via API and platform.
AI-analyzed off-market and MLS data with investment property search, reports, and APIs for 150M+ US residential properties.
HouseCanary provides property data, valuations, CMAs, market forecasts, and AI-driven analytics for real estate professionals.
The Housing Vacancies and Homeownership program provides current information on rental and homeowner vacancy rates. It also includes characteristics of units available for occupancy.
ICE Mortgage Technology offers data and tools covering real estate listings, property records, valuations, and mortgage loan lifecycle management.
GIS data for LA County unincorporated areas available for download and web use via ArcGIS services.
Probability tools for crime, fire, hail, and water claims delivered via API and web platform for location-based risk analysis.
Location-based parcel and property data with mapping tools for 1,000+ local governments via web platform.
Nationwide database of mobile home park lot rents, occupancy, ownership, and market comps with API and alerts.
Standardized, licensed MLS data delivery for participating markets.
Mashvisor provides data for short-term rental analysis and real estate investment opportunities. It offers tools for rental analysis and identifying investment properties.
The Moody's CRE API provides access to commercial real estate data and analytics.
National building permit and licensed contractor data with 25+ years of historical records and daily updates.
Parcel-level FEMA flood zone and geospatial risk data delivered via API for flood risk underwriting and analytics.
FEMA current effective flood-hazard mapping data for participating communities.
Nationwide parcel-level building permit data with flexible delivery via API, bulk download, and cloud solutions.
High-resolution aerial imagery and building materials data with AI-generated property layers, delivered via API and platform.
ATTOM's Neighborhood Data offers local area details including points of interest, crime stats, weather, unemployment rates, and transit routes by city and zip.
API providing detailed, human-readable neighborhood profiles with descriptive location-based content.
NeighborhoodScout delivers neighborhood-level crime, demographic, housing, school, and real estate trend data across the U.S. for investment and appraisal.
National and regional data on new privately-owned housing units authorized, started, under construction, and completed.
Optimal Blue provides an end-to-end capital markets platform for the mortgage industry. It offers solutions for pricing accuracy, margin protection, and operational efficiency.
BatchData provides pre-foreclosure data, offering details from initial default notices to scheduled auction information.
Verified, standardized property and address data with pre-geocoded records linked to 200+ attributes and datasets including parcels, POIs, and demographics.
PropLogix provides due diligence services for title agents, closing attorneys, and lenders. It offers various services to support property closings.
RESO-compliant real estate data including MLS, assessor, and deed data.
PropMix provides real estate data and intelligence through easy-to-integrate APIs.
Licensed MLS listing data with bulk historical and daily incremental updates via API and Snowflake access.
Construction cost and project data delivered via API for detailed construction and development insights.
Exchange Data provides real estate data that includes detailed information and insights related to the housing and property market.
RealEstateAPI provides access to property records, MLS listings, and historical sales data. It offers advanced search capabilities and tools for portfolio management.
Standardized US parcel boundaries and property attributes available through Regrid.
RentCast provides real-time rental property data and market insights. It allows users to look up rent prices and track rental portfolios.
RentRange provides rental data solutions for real estate investment. It offers property reports, market metric reports, and investor lists.
Rent estimates, rent comps, and historical rental trends for U.S. properties via web platform and CSV downloads.
Reonomy provides commercial real estate (CRE) property and ownership intelligence. It is designed to help users source new deals and identify off-market opportunities.
Parcel data covering over 99% of U.S. properties, updated daily, accessible via API, bulk download, and web platform.
Shovels provides building permit and contractor intelligence, turning fragmented permit data into actionable insights using AI.
Address enrichment API delivering 350+ property data points — structure, location, and financial attributes — for 210M+ US addresses.
Rooftop-accurate geocoding API delivering precise latitude/longitude for 96% of US addresses, with parcel and ZIP+4 precision levels.
Official Census Bureau geographic boundaries and feature files.
Tax Sale Resources provides tools for tax sale investment, including research, management, financing, and trade services.
Property tax search tools, tax certificate purchases, GIS mapping, and tax appeal software for Texas real estate professionals.
Commercial real estate and structured finance data, analytics, and market insights via platform and API.
First Floor Height flood risk data and analytics for 350M+ global structures via fast API and assessment reports.
Smarty provides address verification APIs and list processing tools for USPS and international addresses.
USTaxLiens.com offers a free report related to tax liens.
Walk Score Professional provides tools and data for assessing neighborhood walkability, public transit access, and travel times.
Xome provides a platform for buying and selling real estate, including auction properties and traditional MLS listings. It offers tools for both homebuyers and real estate investors.
Online marketplace providing U.S. residential property listings with market insights and Automated Valuation Model.
Downloadable Zillow housing-market time series for values, rents, inventory and sales.