athenahealth FHIR Subscriptions API
The athenahealth Event Subscription Platform delivers near real-time healthcare-domain event notifications via FHIR Subscriptions. Conforms to FHIR Subscriptions R5 Backport STU 1.0.0 implementation guide. Currently supports the rest-hook channel and id-only payload type. Webhook endpoints must respond with 2xx within a 2 second timeout. Use this API to react to creates and updates on Patients, Appointments, Encounters, Observations, Conditions, and other clinical resources without polling.