SMART Base, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-base/tree/main and changes regularly. See the Directory of published versions

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ActorDefinition: Health Information Exchange / Interoperability Platform (Experimental)

Official URL: http://smart.who.int/base/ActorDefinition/DAK.Persona.System.InteropPlatform				Version: 0.2.0
Draft as of 2026-03-09				Computable Name: InteroperabilityPlatform

A middleware system or shared infrastructure that enables health data exchange between disparate health information systems using standard protocols and formats.

The interoperability platform supports DHIs including:

• Point-to-point data integration (4.4.1)
• Standards-compliant interoperability (4.4.2)
• Message routing to appropriate architecture components (4.4.3)
• Data storage and aggregation across systems (4.1.2)

Services and Application Type: D2 — Data interchange and interoperability

Functional areas: Semantic interoperability, technical interoperability, information exchange, data mediation, enterprise service bus.