Start Vendor Onboarding

🔒 Stronger Security Enhanced data security and compliance standards.

⚡ Improved Efficiency Streamlined onboarding and vendor workflows.

👥 Better Vendor Experience Simplified access management and support resources.

Vendor Onboarding & MLS Data Access Through SourceRE

SourceRE manages vendor onboarding, agreements, and API-based MLS data access for GTAR.

All vendors must complete onboarding and integration through SourceRE to receive or maintain MLS data access.

Required Actions

• Confirm your company is an approved GTAR Vendor
• Complete onboarding through SourceRE
• Configure you API / IDX integration
• Verify your contact information is current
• Contact GTAR if you are not currently registered

⚠️ Failure to complete onboarding may result in interruption of MLS data access.

SourceRE Resources & Technical Support

📋 Vendor Onboarding Complete onboarding, agreements, and vendor registration through SourceRE.

🖥️ API / IDX Documentation Access technical integration documentation and setup resources.

🛠️ Technical Support Receive onboarding and API integration assistance through SourceRE support resources.

SourceRE manages onboarding, agreements, API documentation, and technical integration support for GTAR MLS data services.

All vendors must complete onboarding and integration through SourceRE to receive or maintain MLS data access.

• SourceRE Vendor Onboarding
• API/IDX Documentation
• Technical Support

GTAR does not provide direct technical API Support.  All integration support is handled through SourceRE.

MLS Data Sets & Permitted Uses

GTAR provides multiple MLS data sets designed to support IDX display, brokerage operations, virtual office websites (VOW), and participant data return services.

🌐 IDX Public listing data for websites and applications. Includes: Active and Pending listings Permitted Use: Public

🌐 IDX Closed Public listing data including closed listings. Includes: Closed listings Permitted Use: Public

🔒VOW Listing, sold, and roster data with authenticated consumer access. Includes: All statuses and roster data Permitted Use: Public, Private Clients, Private Brokerage

🗂️ ODS Extended MLS dataset including listing and roster data. Includes: All statuses and roster data Permitted Use: Public, Private Clients, Private Brokerage

🏢 BBO Brokerage-level operational dataset for internal systems. Includes: Listing, roster, and brokerage data Permitted Use: Public, Private Clients, Private Brokerage

↩️ Participant Data Return Broker-owned listing and roster data. Includes: Office exclusives and expiration data Permitted Use: Broker Own Data

                 View Full Dataset & Permitted Uses

 

Vendor Qualification & Data Review

GTAR MLS reviews vendor requests to ensure appropriate data licensing, permitted use alignment, operational compliance, and dataset authorization.

Vendor review considerations may include:

• intended product and service use
• type of MLS data requested
• permitted use classification
• operational scope and user base
• derivative or analytical use of MLS data
• licensing and compliance requirements

Additional vendor review, onboarding documentation, or compliance review may be required based on the requested data access type and operational use case.

Vendor Onboarding Process

GTAR MLS and SourceRE provide a streamlined onboarding process for approved vendors, brokerages, and technology partners requesting MLS data access.

    Start Vendor Onboarding

 

 Key Dates & Transition Timeline

GTAR MLS is transitioning vendor onboarding and MLS data access management to SourceRE beginning May 27, 2026.

📅 May 27, 2026 SourceRE Platform Goes Live New vendor onboarding begins through SourceRE.

🔄 May 27 – June 27, 2026 Vendor Migration Period Existing vendors complete onboarding and transition activities.

✅ July 27, 2026 Full Transition All MLS data access management is handled through SourceRE.

Contact & Support

For questions regarding MLS data access, vendor onboarding, or onboarding status, please contact GTAR MLS Support.

GTAR MLS Support 📧 mls@gtar.com 📞 (903) 561-8403 GTAR does not provide direct API integration support.

SourceRE Technical Support 📧 support@sourcedb.com SourceRE provides technical onboarding, API integration, and vendor support resources for MLS data services.