Zillow is an online real estate database that was founded in 2005 by Rich Barton and Lloyd Frink, former Microsoft executives and founders of Microsoft spin-off Expedia. The website uses a proprietary algorithm called the "Zestimate" to appraise property values based on undisclosed factors. Sellers can use Zillow as a marketing tool by appraising their properties, posting property information such as improvements and access to major roads; and comparing nearby property value appraisals. Buyers can freely access and track such information online.
Zillow API provides zestimate based on this we can develop applications which will estimate property value which in turn helps the companies, individuals knowing mortgage value etc.
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