5 Top Real Estate APIs


The real estate industry is rapidly transforming, thanks to the adoption of Application Programming Interfaces (APIs). These technologies are streamlining property listings, enhancing customer engagement, and automating transactions, which is critical for the industry’s efficiency and growth. To further emphasize their importance — 56% of industry leaders recognize the crucial role APIs play in improving digital experiences and products.

This article will highlight some of the leading real estate APIs, offering insights for businesses to tap into their potential. Keep reading.

What Are Real Estate APIs?

Real Estate APIs (Application Programming Interfaces) serve as facilitators, enabling seamless interactions and data exchanges among diverse digital platforms in the real estate domain. Functioning as connectors, these APIs enable disparate systems to engage in structured and secure interactions. For instance, a real estate website might leverage an API to retrieve and exhibit up-to-date property listings from a database, or to alert prospective buyers about recent market entries.

Types of Real Estate APIs

  • Property Listing APIs: Gain access to thorough property listings, including details, images, and pricing information.
  • Market Data APIs: Obtain valuable insights into market trends, property values, and analytics.
  • Property Valuation APIs: Simplify property valuation and appraisal services.
  • Mortgage and Financial APIs: Access tools for mortgage calculations, credit checks, and financial analysis.
  • GIS APIs: Utilize geographical data, mapping, and location services for property search and analysis.
  • Real-time Communication APIs: Enable interactive user experiences through features like live chat, video/audio calling, and activity feeds.

What Are the Top APIs In Real Estate?

Various APIs offer distinct features and data, catering to different facets of real estate operations. Let’s delve into some of the leading real estate APIs and their offerings.

Attom API

Attom provides an extensive array of property data, covering characteristics, valuations, ownership details, mortgage records, and market analytics. With coverage spanning over 155 million U.S. residential and commercial properties, it offers integrations in JSON and XML formats.

Mashvisor API

Mashvisor delivers real estate investment data, including property listings, rental rates, Airbnb analytics, and market insights. Supporting functionalities like cash flow projections and ROI calculations, it encompasses data on more than 150 million properties.

Estated API

Estated offers comprehensive property data, featuring boundary parcels, building specifics, historical deeds, and market value assessments. As part of Attom Data Solutions, it covers over 150 million properties, providing JSON format data suitable for real estate transactions and assessments.

Zillow Group API

Zillow Group serves as an extensive real estate marketplace API, furnishing datasets on mortgages, MLS, public records, and pricing estimates. Renowned for its broad coverage of the U.S. real estate market, it offers up to 1,000 calls/day per data set.


RealEstateAPI provides real-time data on property listings, trends, and neighborhood information. With functionalities like property search and address verification, it offers insights on over 150 million properties and owners. Recognized for its high performance and customizable options.

Final Thoughts

In the age of digital transformation in real estate, APIs play a pivotal role as essential facilitators, providing a wide range of functionalities spanning from property listings to market analytics. Our examination of the leading real estate APIs sheds light on the immense possibilities these tools offer in revolutionizing real estate operations.

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