CoStar vs. RealEstateAPI (REAPI) Comparison Chart

​CoStar is the largest source of verified commercial real estate information, analytics, and data-driven news worldwide. The industry relies on CoStar's data, analytics, and insights to make informed decisions and gain a competitive edge in the market. Whether you're buying, selling, or leasing a property, representing tenants, valuing assets, originating loans, or managing diverse portfolios, CoStar has got you covered. CoStar offers a comprehensive suite of tools and resources, including property records, listings, tenant information, public records, ownership details, fund data, and loan information. Transaction data encompasses sales and lease comparables, while analytics tools provide market analytics, lease analysis, and custom reporting. CoStar serves a diverse clientele, including brokers, owners and investors, lenders, occupiers, and appraisers, providing them with the data and insights needed to make strategic decisions and stay ahead in the competitive commercial landscape.