SWMLS partners with SourceRE to secure MLS listing feeds

Southwest Multiple Listing Service (SWMLS) has partnered with data platform SourceRE to centralize vendor access to its listing data and embed forensic identifiers in every distributed feed, giving brokers more tools to trace and act on unauthorized use.

The deal brings SWMLS onto the SourceRE Data Marketplace for governed vendor licensing and standardized API access, according to the company announcement. It also deploys SourceRE’s proprietary Data Dye technology across all outbound listing feeds.

Albuquerque-based SWMLS, a wholly owned subsidiary of the Greater Albuquerque Association of Realtors, is among the first MLSs in the country to apply listing-by-listing, vendor-specific markers at the data level rather than relying solely on contracts and policies. Those invisible identifiers are designed to show exactly which licensed feed a piece of listing content came from if it later surfaces on an unauthorized site or app.

For MLS leaders, the move speaks directly to rising concerns over data sovereignty, scraping and “gray market” listing distribution. Photos and property details often appear on platforms that have no agreement with the originating MLS and tracing those assets back to a particular vendor feed has traditionally been difficult or impossible, SWMLS said in the announcement.

“Our data is our most valuable asset, and we have a responsibility to our members to know exactly where it goes, how it’s being used, and to maintain its integrity,” SWMLS president Teri Hatcher said in the announcement. “SourceRE gives us a modern distribution platform and, with Data Dye, the forensic visibility to hold partners accountable. This is about taking real, measurable steps to protect what belongs to our members.”

Under the partnership, SWMLS will route vendor distribution through the SourceRE Data Marketplace, a Real Estate Standards Organization-certified environment that combines licensing workflows, vendor onboarding, billing and compliance. Vendors that want SWMLS data will access it through SourceRE APIs instead of a patchwork of custom feeds.

The MLS said this centralization can reduce manual work around contracts and feed management, while the forensic layer gives compliance teams more concrete evidence when they pursue violations or renegotiate terms with data partners.

SourceRE’s Data Dye system embeds vendor-specific markers into the listing data within each feed. If that content appears in an unauthorized channel, SourceRE says the system can trace it back to the exact feed and automatically log the violation. The company bundles this functionality into every MLS integration at no additional cost, according to the announcement.

The monitoring runs continuously, scanning the web for matches and providing SWMLS staff with evidence packages that document the originating feed, the unauthorized destination and screenshots. That documentation is meant to support enforcement, from demand letters to potential legal action, in addition to internal policy discussions with vendors.

“MLSs shouldn’t have to choose between efficient end-to-end distribution and rigorous data security. With SourceRE and Data Dye working together, they get both,” SourceRE President Joe Schneider said.

Vendors seeking access to SWMLS data can create an account through SourceRE’s vendor portal at vendor.sourceredb.com, the companies said.

This article was generated using HousingWire Automation and reviewed by a HousingWire editor before publication.