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RESO 2023 Spring Conference in San Antonio

The 2023 RESO Spring Conference will be held April 18–20 in San Antonio, Texas.

Limited rooms remain in the hotel block, so don’t delay! | RESERVE YOUR ROOM AT THE WESTIN RIVERWALK

Register by March 16 to ensure that you get the regular registration price before it increases.


RESO 2023 Spring Conference in San Antonio, Texas on April 18 through 20.

Sponsor Slots and Door Prizes Still Open for RESO Spring Conference

Sponsor slots are nearly full but are still available! If you are interested in becoming a RESO conference sponsor, contact

Providing door prizes allows your company an additional low-cost marketing opportunity to show your support for the industry and its brightest stars. If you would like to contribute, please contact with the following information:

  • Prize(s) provided by your company
  • Whether or not you will bring the prizes(s) in person or ship directly to the venue

We will release the list of door prize providers in upcoming conference promotions. Get on the list today!

Thank you to our current sponsors!2023 RESO Spring Conference Sponsors – Diamond: National Association of REALTORS, CoreLogic; Platinum: Canopy MLS, Contellation1, + Homesnap, MLS Grid, San Antonio Board of REALTORS, Stellar MLS; Gold: dynaConnections,, RentSpree, Triangle MLS, ShowingTime+; Silver: CRS Data, Lone Wolf Technologies, Skyslope; Bronze: AMP, FBS, RE/MAX, Texas REALTORS.

Product Updates

Data Dictionary
Current and future versions of the Data Dictionary in spreadsheet format have been added to the home page of the Data Dictionary Workgroup on RESO’s workgroup collaboration system, Confluence and to RESO’s website. The versions include:

    RESO Web API Transition GuideRESO Web API Transition Guide
    We are excited to share an initial draft of Transitioning Your Customers to RESO Web API: A Guide For MLS Leaders. This guide will help you get started and see the transition through to completion.

    This is just version 1.0. We welcome suggestions/edits from the community before we unveil a printed version 2.0 at the upcoming RESO 2023 Spring Conference in San Antonio, TX, April 18–20.

    Feel free to contact us at with any suggestions. This is a team effort, and we are grateful for your contributions.

    You can also find timely RESO Product Updates on our website.

    Certification Update

    Congratulations to the following organizations for achieving their Data Dictionary 1.7 and Web API Core 2.0.0 endorsements and being added to RESO Analytics:

    Congratulations to the following organizations for achieving their Data Dictionary 1.7 and Web API Core 2.0.0 endorsements and being added to RESO Analytics: Eastern Kentucky Association of REALTORS, San Francisco Association of REALTORS MLS, Southwest Mississippi Board of REALTORS.

    View the certification status of all MLSs on the RESO Certification Map, which is also a good place to review your address and subscriber count. Contact for changes.

    In order to be listed as Certified Current on the map, MLSs must approve their certification reports from their vendors for two items – a Data Dictionary endorsement and a Web API endorsement – sent as a pair to the MLS’s primary contact by email.

    Questions about RESO certification should be directed to your MLS vendor. Questions about self-testing or the technical aspects of certification, may be directed to



    RESO's Working With Real Estate Data (WWRED) - Business Module (RED-B) course.RESO’s Working with Real Estate Data (wwRED) course brings real estate industry newcomers and veterans alike together on a journey of data flow through organized real estate. Start working toward your RED-B designation today! 



    New Members

    New members: Right Home Media, Atlas Realty Group, P.C. and Symba.

    Atlas Realty Group, P.C.
    Atlas Realty Group is a real estate firm located in Mansfield, Texas, that provides a range of real estate services.

    Right Home Media
    Right Home Media supports real estate industry creators with artificial intelligence

    Symba takes away the administrative burden of being a real estate agent. From deal tracking to bookkeeping and taxes, they make your entire workload seamless and stress-free.

    Welcome to RESO!


    CREA LogoCREA Technology Committee
    RESO CEO Sam DeBord is an external advisor to the Canadian Real Estate Association (CREA) Technology Committee and attended the latest meeting of the group in Toronto. The purpose of the committee is to be a resource to the CREA CEO in matters related to technology initiatives. 

    CREA has been an important partner in the advancement of data standards into Canada, including the translation of Data Dictionary fields into French-Canadian and use of Web API for transporting data between local boards, vendors and the national DDF feed.

    CoreLogic | Clareity MLS Executive WorkshopCoreLogic | Clareity MLS Executive Workshop
    RESO was also represented at the annual outing to Scottsdale, Arizona, to talk about ways to update the MLS to deal with the popularity of co-ownership models. The group included Bernie Alen, the Founder and CEO of, and Marnie Blanco, VP of Industry Relations for Pacaso, in a session moderated by Amy Gorce from PRESTA Team.

    2023 RESO Winter Developer Conference2023 RESO Winter Developer Conference | NOTES
    The new virtual conference lasted for three days from February 27 to March 1. Industry developers devoted four hours per day, the equivalent of a year’s worth of workgroup meetings, to accelerate current initiatives. Attendees worked on topics from the Transport Discussion Forum, including:

    • Finalizing the Field Resource
    • Add/Edit with Media and Streams
    • Local Data Elements and Extension
    • Legacy and/or Deprecated Fields and Lookups
    • Push Replication with Web Hooks and RESO Common Format
    • Maintaining Subscriptions
    • Initializing Feeds

    Thank you to all who invested their time and knowledge with us. RESO is planning on having two developer conferences per year (Winter and Summer) so the community can tackle important issues in a focused setting.

    On the RESO Blog

    10 Reasons to Attend the 2023 RESO Spring Conference in San Antonio, Texas10 Reasons to Attend the 2023 RESO Spring Conference in San Antonio, TX
    Highlights include a two-hour course on the pronunciation of “RESO” and complimentary counseling for those who have been replaced by AI. Okay, neither is true, but please read the real reasons why it’s going to be the best RESO conference yet! | READ MORE

    MLSListings Debuts New Innovation Through RESO Web API Add/Edit Technology
    The RESO Web API is the preeminent technology standard for moving real estate data between systems. MLSListings in Silicon Valley, California, is leading the Web API charge by using RESO’s new Add/Edit standard to push the industry’s technology capabilities even further forward. | READ MORE

    Pushing vs. Polling: The Future of MLS/Broker Data DistributionPushing vs. Polling: The Future of MLS/Broker Data Distribution
    Constantly asking a data provider for updates is the current status quo for most brokers and data consumers in the real estate industry. Data producers pushing updates out to consumers only when needed could be a reality in the very near future with a straightforward new technology model. | READ MORE


    Three Questions

    Three Questions with G. SaxThe Three Questions interview series introduces you to real estate professionals with a hint of personality and humor.

    Here’s who has been interviewed since the last RESO Monthly:


    RESO Workgroup Meetings

    Research & Development Workgroup | February 2, 2023
    The simplified business case form discussed at the previous meeting was presented to the group. Business case proposals (submitted on the new form) for the NAR Safety Field and Agent/Office Biographical Information cases were presented and discussed. A subgroup will be formed to potentially refine the definitions of the Standard Status lookups (Active, Active Under Contract, etc.). A new proposal regarding the Smart Home Standards business case was presented. | NOTES

    Transport Workgroup | February 6, 2023
    The Transport Workgroup discussed proposals for Add/Edit, RESO Common Format, single feeds, and internationalization and locale support. | NOTES

    Certification Analytics Subgroup | February 9, 2023
    The group reviewed the various kinds of metrics available through RESO Analytics, from individual reports to industry aggregates and standardization rates. There was also some discussion about usage metrics on Data Dictionary Wiki 1.7 and a presentation of design comparisons for RESO’s upcoming Alignment Reports. | NOTES

    Interoperability Workgroup | February 14, 2023
    The group discussed the Payload Business Case, including the advantages that standard payloads, or lists of fields identified for a specific business need, would offer. The group also identified some concerns about restricted fields that would need to be addressed. Group members were asked to add their input on the Industry Map Use Cases post on the Interoperability Discussions forum.  Additionally, Offer Management (OM) providers were given the option to submit their metadata for use in creating the Offer Management Shape. | NOTES

    Broker Advisory Workgroup | February 23, 2023
    The meeting included discussion of the Experience Record collaboration with CMLS, creation of a business case and outlining the next steps in the project. The group also discussed the pain points that they experience in data shares and the possibility of creating a best practices resource for addressing some of these issues. Additionally, the group planned a Speaker Spotlight for the upcoming RESO Spring Conference and provided an update on the Agent Biographical Information Business Case, which has been sent to the R&D Workgroup. | NOTES

    Upcoming RESO Workgroup Meetings

    If you want to participate in any of the following recurring workgroup or subgroup meetings, you can write to to get started.


    • Tuesday, March 14: Interoperability Workgroup
    • Wednesday, March 15: Internet Tracking Workgroup
    • Thursday, March 16: Data Dictionary Workgroup
    • Thursday, March 16: Certification Subgroup
    • Tuesday, March 22: Universal Property Identifier (UPI) Workgroup
    • Tuesday, March 28: Distributed Ledger Workgroup
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