The InterSystems FHIR® Sandbox is a virtual testing environment that combines HealthShare technology with synthetic patient data and open source and commercial SMART on FHIR apps, to allow users to play with FHIR functionality.
Fast Healthcare Interoperability Resources (FHIR, pronounced "fire") is a draft standard describing data formats and elements (known as "resources") and an application programming interface (API) for exchanging electronic health records