How It Powers Modern Healthcare App Integration

FHIR R4 (Fast Healthcare Interoperability Resources, Release 4) is the HL7 standard that enables healthcare apps to read and write structured patient data across EHR systems via a REST API. US federal law mandates FHIR R4 API access in all certified EHRs, making it the non-negotiable baseline for any serious health app integration in 2026. […]