eClinicalWorks FHIR API
Provider-centric, backend and bulk FHIR R4 APIs for integrating with the eClinicalWorks EHR. Supports SMART on FHIR EHR Launch, Standalone Launch, Backend Services (private_key_jwt, RS384) and CDS Hooks. The live CapabilityStatement declares 36 resource types with read/search-type interactions, create on QuestionnaireResponse, and the system-level $export operation for Group-scoped bulk data. Base URLs are tenant-scoped by practice code; the ONC-required service base URL directory lists 17,229 activated endpoints.