Epic, Oracle Health (formerly Cerner), and Athenahealth, with additional FHIR R4 EHRs available on request. Integration is over SMART on FHIR, the standards-based authorisation framework used across the modern EHR ecosystem. Burna AI ships organisation-level EHR endpoint management spanning 5,800+ Epic endpoints and 1,900+ Cerner endpoints, with dynamic OAuth token endpoint discovery so connections stay live when EHR vendors update their infrastructure.