October 2025 — San Diego MLS (SDMLS) is proud to announce our role as a founding partner of the Global Data Exchange (GDX) — a groundbreaking effort to simplify and unify real estate data sharing across international borders.
The initiative was officially launched at the 2025 International MLS Forum in Toronto, where SDMLS joined a select group of global leaders to sign the GDX agreement and help set a new standard for cross-border collaboration in real estate.
About the Global Data Exchange (GDX)
The GDX is designed to make it easier for MLSs around the world to share property data securely, accurately, and efficiently. Built on RESO standards (Real Estate Standards Organization), including the RESO Web API and Data Dictionary, the GDX creates a shared infrastructure that:
Reduces the need for costly custom integrations
Speeds up technology adoption
Enables consistent, standards-based data exchange
Facilitates international property discovery
SDMLS: A Founding Partner
As one of the five inaugural signatories, SDMLS joins:
Stellar MLS (USA)
Toronto Regional Real Estate Board (TRREB) (Canada)
SNPI (France)
ADRES (Abu Dhabi)
Together, these organizations represent a global commitment to improved data access, tech innovation, and real estate industry collaboration.
Highlights from the International MLS Forum
Held September 25–26, 2025, in Toronto, the International MLS Forum hosted more than 300 attendees from over 20 countries and 130 organizations. Key highlights included:
Launch of the Global Data Exchange (GDX)
Certification milestones for SNPI and ADRES using RESO standards
23 sessions and 57 speakers covering topics like AI-powered MLS tools, data trust frameworks, and international licensing models
Future forum locations announced: Abu Dhabi in 2026 and Prague in 2027
You can read the full recap from RESO here.
What This Means for SDMLS Subscribers
As the real estate market becomes more interconnected, SDMLS is ensuring that our brokers, agents, and tech partners stay ahead of the curve. With GDX, our subscribers can expect:
Access to new international property data
Simplified integration with global platforms
More accurate, consistent listing information
Tools aligned with the latest RESO standards
“The launch of GDX marks a major step forward for the industry, and we’re proud to be at the table, as a founding partner,” said SDMLS CEO Saul Klein. “This initiative strengthens our position as a leader in real estate data and helps us bring even more value to our subscribers.”
SDMLS is committed to advancing real estate technology, reducing friction in data access, and empowering our subscribers with the tools they need to succeed in a global market.
Stay tuned for updates as GDX expands and new integrations roll out.
About SDMLS (San Diego MLS)
San Diego MLS (SDMLS) is the Multiple Listing Service for San Diego County, serving real estate professionals with a robust, standards-based platform for listing, managing, and accessing property data. Through innovative tools—such as the RESOcertified MLS Router API for IDX, VOW, and broker feeds—SDMLS empowers brokers, agents, and technology vendors with realtime access to high-quality market data.
Committed to collaboration, transparency, and continuous innovation, SDMLS provides technical support, agent training, data integrations, and advanced analytics for subscribers across the region. With a steadfast focus on data accuracy, member services, and industry leadership, SDMLS plays a central role in shaping the future of real estate in San Diego.
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