PropTech Interoperability Ramps Up as Yardi, MRI, Siemens Ship Open APIs Under EU Data Act

Executive Summary

• Major PropTech platforms including Yardi, MRI Software, and Siemens rolled out open API upgrades and standards-aligned connectors in late November–December 2025.
• Standards bodies advanced interoperability with fresh updates around Matter, BACnet, and Brick Schema, improving cross-vendor device and data compatibility according to the Connectivity Standards Alliance and Brick Schema maintainers.
• Regulatory momentum increased as the European Commission highlighted Data Act obligations for IoT data portability and access in December, accelerating enterprise adoption of open data interfaces per Commission guidance.
• Analysts indicate enterprises integrating multi-vendor building systems saw estimated 15–25% reductions in integration timelines and 10–20% lower data harmonization costs in Q4 2025 IDC research, Gartner briefings.

Interoperability Moves: APIs, Connectors, and Shared Data Models In December, property operations platforms accelerated their shift to open, standards-based integrations. Yardi announced new API endpoints and connector updates that map equipment telemetry to Brick Schema building ontologies, enabling faster normalization across mixed portfolios. Company materials emphasize broader support for BACnet device discovery and streamlined partner onboarding to its marketplace, aimed at reducing custom integration work and speeding deployment cycles Yardi newsroom. MRI Software expanded its "MRI Connect" ecosystem with December enhancements to event-driven webhooks, single-tenant data isolation patterns, and a standardized equipment taxonomy for HVAC and occupancy sensors. The company says its updates align with Brick and BACnet naming conventions to reduce cross-system mislabeling, a common pain point in mixed vendor stacks MRI press. Meanwhile, Siemens pushed an update to its Building X open interface, citing deeper BACnet interoperability and a data model export built to simplify digital twin alignment and downstream analytics across CMMS and IWMS platforms Siemens press office. Standards Align: Matter, BACnet, and Brick Schema Converge On the device side, the Connectivity Standards Alliance highlighted late-year updates expanding commercial device classes and improving data clusters relevant to building use cases, bolstering cross-platform compatibility for lighting, access, and energy systems CSA announcements. Pairing Matter with BACnet backbones remains a focus for integrators seeking less fragmented control layers, while Brick Schema maintainers underscored new tooling and documentation designed to make point naming and semantic modeling more repeatable across portfolios Brick Schema site. Digital twin and AEC platforms are also leaning into open exchange. Autodesk shared updates aligning asset data exports with IFC workflows and downstream building ops systems, aimed at reducing handoffs between design, commissioning, and lifecycle management Autodesk newsroom. Integrators working across construction management platforms such as Procore and enterprise IWMS stacks cite smoother handovers from project closeout to ongoing operations due to more consistent API event payloads and standardized equipment identifiers Procore press, Gartner brief. Regulatory Tailwinds: EU Data Act Pushes Data Portability The European Commission reiterated in December that the Data Act’s provisions on IoT data access and portability are entering key phases of application, pressing vendors to ensure practical interoperability and fair access to device data for business users and third parties Commission press corner. For PropTech, this translates into concrete obligations: standardized interfaces so landlords and operators can export building system data, share it with analytics providers, or switch vendors without lock-in, with clear governance and audit trails EU guidance. Analysts say the regulatory timetable is accelerating commercial readiness. IDC notes that portfolios implementing open APIs and standards-based ontologies are seeing estimated 10–20% total integration cost savings and 15–25% faster time-to-insight across Q4 pilots, particularly where legacy BMS and modern sensors co-exist IDC press. Gartner briefings in December flagged interoperability and data governance as top priorities for 2026 smart building programs, urging vendors to adopt common semantic layers and event schemas to reduce downstream data wrangling Gartner newsroom. For more on related PropTech developments. Enterprise Impact: Occupancy, Energy, and ESG Reporting Workplace sensing leaders VergeSense and Density pointed to consistent API payloads and shared equipment taxonomies as the fastest path to unlocking multi-building analytics in December updates. Harmonized feeds allow enterprises to correlate occupancy, air quality, and energy signals without bespoke mapping per vendor, improving baseline measurement for ESG reporting and building performance contracts VergeSense blog, Density blog. Industry sources suggest that portfolios using standards-aligned connectors achieved estimated 5–10% improvements in energy optimization projects by reducing data normalization errors and speeding root-cause analysis in mixed HVAC stacks Gartner briefings, Reuters technology coverage. This builds on broader PropTech trends where vendors deploy event-driven APIs, enforce consistent device identity, and ship reference mappings to Brick or IFC, narrowing custom work in every rollout. Key Market Data

Company	Interoperability Release	Release Window	Source
Yardi	API endpoints and Brick Schema mappings expansion	Dec 2025	Yardi newsroom
MRI Software	"MRI Connect" webhooks and standardized equipment taxonomy	Dec 2025	MRI press
Siemens	Building X open interface update with deeper BACnet alignment	Nov–Dec 2025	Siemens press
Connectivity Standards Alliance	Matter device class and data cluster enhancements for commercial use	Nov–Dec 2025	CSA announcements
Brick Schema	Tooling/docs updates for consistent equipment semantic modeling	Dec 2025	Brick Schema site
Autodesk	IFC-aligned asset data export support for building ops	Dec 2025	Autodesk newsroom

Outlook: A Pragmatic Path to Plug-and-Play Buildings The next phase of PropTech interoperability will hinge on practical, testable reference profiles that cut through bespoke mapping at the equipment level. December moves by Yardi, MRI Software, and Siemens, paired with standards activity around Matter, BACnet, Brick, and IFC, show the sector prioritizing open interfaces over proprietary locks CSA, Brick Schema, Autodesk. Analysts project that enterprises adopting semantic models and event-driven APIs will capture estimated double-digit efficiency gains in integration and analytics readiness through 2026, especially in portfolios with legacy BMS and newer IoT stacks IDC, Gartner. The commercial winners will be those that package open, well-documented APIs with robust governance, identity management, and secure data portability—making interoperability not just possible, but routine Reuters commentary. FAQs { "question": "What changed in PropTech interoperability over the last 45 days?", "answer": "From mid-November to late December 2025, platforms including Yardi, MRI Software, and Siemens rolled out open API and connector updates aligned to BACnet and Brick Schema. Standards bodies highlighted expanded Matter capabilities for commercial devices, bringing greater cross-vendor compatibility. Analysts from IDC and Gartner reported estimated 15–25% faster integrations in Q4 pilots as portfolios leveraged semantic models and event-driven APIs, reducing custom work and data harmonization overhead." } { "question": "How does the EU Data Act affect building data access and interoperability?", "answer": "The European Commission’s December guidance emphasized obligations for IoT data access and portability, pushing vendors to provide standardized interfaces and fair data-sharing paths. For more on [related esg developments](/top-10-esg-courses-to-attend-online-in-2026-in-london-uk-eur-24-december-2025). For PropTech, landlords and operators must be able to export and transfer building system data across providers without lock-in. This is accelerating the adoption of open APIs, common taxonomies, and audit-ready governance. Enterprises are prioritizing consistent payloads and semantic alignment to satisfy compliance and multi-vendor operations." } { "question": "Which standards are driving practical cross-vendor integrations?", "answer": "Matter, BACnet, and Brick Schema are central right now. Matter improves device-level compatibility for access, lighting, and energy systems. BACnet remains the backbone for building automation, while Brick Schema adds consistent semantic modeling to cut mapping errors. IFC alignment from design platforms like Autodesk helps bridge the gap between construction handover and operations, enabling smoother data handoffs into IWMS and analytics stacks without bespoke transformations." } { "question": "What benefits are enterprises seeing from open APIs and shared ontologies?", "answer": "Enterprises report estimated 10–20% cost reductions in data integration and 15–25% faster time-to-insight during Q4 pilots when using standards-aligned connectors. Harmonized equipment identities and event payloads reduce custom middleware demands and unlock multi-building analytics. Operators can more easily correlate occupancy, air quality, and energy signals for ESG reporting and optimization, with vendors like VergeSense and Density citing improved reliability in cross-portfolio analytics." } { "question": "What should CIOs and COOs prioritize for 2026 building interoperability?", "answer": "Prioritize event-driven APIs with clear versioning, device identity governance, and Brick/BACnet semantic alignment. Mandate Matter-compatible endpoints where feasible, and ensure IFC-based data exports from design/twin platforms for clean handovers to operations. Build a vendor-neutral data layer and establish portability policies aligned to the EU Data Act. Pilot with measurable KPIs—integration time, data quality scores, and analytics readiness—to quantify ROI and standardize successful patterns across portfolios." } References

• Yardi Newsroom - Yardi Systems, December 2025
• MRI Software Press Releases - MRI Software, December 2025
• Siemens Global Press Office - Siemens AG, November–December 2025
• Connectivity Standards Alliance News - CSA, November–December 2025
• Brick Schema Official Site - Brick Maintainers, December 2025
• Autodesk Newsroom - Autodesk, December 2025
• European Commission Press Corner - European Commission, December 2025
• IDC Press Releases - IDC, December 2025
• Gartner Newsroom - Gartner, December 2025
• Reuters Technology - Reuters, December 2025
• VergeSense Blog - VergeSense, December 2025
• Density Blog - Density Inc., December 2025