DATA DICTIONARY
The real estate industry’s universal language for data
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RESO Web API
The modern way to share real estate data effectively and accurately
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RESO UNIQUE IDENTIFIERS
The sources of truth for data about people, properties, and organizations
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STRONG PARTNERS
More than one million RESO members work in over 100 countries. Member organizations include over 100 technology partners, 500 MLSs, 1,000 REALTOR associations, and 35,000 brokerage offices.
CERTIFICATION
Ensuring compliance with standards to accelerate innovation and enhance interoperability
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INDUSTRY DATA MAP
Certified data sets from technology companies and multiple listing services
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RESO BLOG
RESO Universal Property Identifier (UPI) Goes Global
RESO's well-known standard for a Universal Property Identifier (UPI) has picked up steam, not just in the U.S. but also internationally. The RESO UPI Workgroup’s chair, Mark Bessett, traveled to Malaga, Spain last year to speak about the expansion of this standard,...
Livestream Open Houses vs. Recorded Virtual Tours: The RESO Standards
Real estate agents are creating new ways to introduce busy, remote or self-isolated clients to properties online. In order to reduce foot traffic in sellers’ homes during the pandemic, new digital showing trends have emerged. Defining these digital property platforms...
NAR Participant Data Access Policy and Related RESO Standards
The National Association of REALTORS® (NAR) recently approved a new MLS policy regarding the “Right of brokers to obtain an MLS data feed of their listing information.” The policy, proposed by Council of MLS, references RESO standards: A Multiple Listing Service must,...