HL7 FHIR API

OpenAPI specification for the HL7 FHIR R4 API hosted on HAPI FHIR Test Server. FHIR (Fast Healthcare Interoperability Resources) is a standard for exchanging healthcare data electronically. This spec includes the most commonly used FHIR resources for healthcare data exchange.

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Base URL: https://hapi.fhir.org/baseR4/
Auth: none
Endpoints: 28
Reachable: yes
CORS: unknown
Last checked: 2026-03-14 16:08:22.757846

Links

Homepage: https://www.hl7.org/fhir/
API Base: https://hapi.fhir.org/baseR4/
Documentation:
SDKs:

100.0%

Uptime (7d)

535ms

Avg latency (7d)

100

Probes (7d)

Latency (7d)

Success Rate (7d)

Topics

HEALTH

Endpoints

Method Path Summary Auth Last Status Latency
POST / server-transaction: Execute a FHIR Transaction (or FHIR Batch) Bundle none — —
GET /AllergyIntolerance Search allergies none 200 529ms
POST /AllergyIntolerance create-type: Create a new AllergyIntolerance instance none — —
GET /AllergyIntolerance/{id} Read allergy/intolerance none 404 478ms
PUT /AllergyIntolerance/{id} update-instance: Update an existing AllergyIntolerance instance, or create using a client-assigned ID none 400 483ms
PATCH /AllergyIntolerance/{id} instance-patch: Patch a resource instance of type AllergyIntolerance by ID none 400 475ms
DELETE /AllergyIntolerance/{id} instance-delete: Perform a logical delete on a resource instance none 200 487ms
GET /Appointment search-type: Search for Appointment instances none 200 503ms
POST /Appointment create-type: Create a new Appointment instance none — —
GET /Appointment/{id} read-instance: Read Appointment instance none 404 488ms
PUT /Appointment/{id} update-instance: Update an existing Appointment instance, or create using a client-assigned ID none 400 485ms
PATCH /Appointment/{id} instance-patch: Patch a resource instance of type Appointment by ID none 400 475ms
DELETE /Appointment/{id} instance-delete: Perform a logical delete on a resource instance none 200 477ms
GET /Condition Search conditions none 200 524ms
POST /Condition create-type: Create a new Condition instance none — —
GET /Condition/{id} Read condition none 404 474ms
PUT /Condition/{id} update-instance: Update an existing Condition instance, or create using a client-assigned ID none 400 1474ms
PATCH /Condition/{id} instance-patch: Patch a resource instance of type Condition by ID none 400 472ms
DELETE /Condition/{id} instance-delete: Perform a logical delete on a resource instance none 200 481ms
GET /DiagnosticReport Search diagnostic reports none 200 478ms
GET /DiagnosticReport/{id} Read diagnostic report — — —
GET /Encounter Search encounters none 200 583ms
POST /Encounter create-type: Create a new Encounter instance none — —
GET /Encounter/{id} Read encounter none 404 476ms
PUT /Encounter/{id} update-instance: Update an existing Encounter instance, or create using a client-assigned ID none 400 508ms
PATCH /Encounter/{id} instance-patch: Patch a resource instance of type Encounter by ID none 400 476ms
DELETE /Encounter/{id} instance-delete: Perform a logical delete on a resource instance none 200 471ms
GET /Immunization Search Immunization resources none 200 498ms
GET /Location Search locations — — —
GET /Location/{id} Read location — — —
GET /Medication Search Medication resources none 200 490ms
GET /Medication/{id} Read a specific Medication none 404 489ms
GET /MedicationRequest Search medication requests none 200 510ms
GET /MedicationRequest/{id} Read medication request — — —
GET /Observation Search observations none 200 535ms
POST /Observation create-type: Create a new Observation instance none — —
GET /Observation/{id} Read observation none 404 483ms
PUT /Observation/{id} update-instance: Update an existing Observation instance, or create using a client-assigned ID none 400 473ms
PATCH /Observation/{id} instance-patch: Patch a resource instance of type Observation by ID none 400 476ms
DELETE /Observation/{id} instance-delete: Perform a logical delete on a resource instance none 200 491ms
GET /Organization Search organizations none 200 477ms
POST /Organization create-type: Create a new Organization instance none — —
GET /Organization/{id} Read organization none 404 482ms
PUT /Organization/{id} update-instance: Update an existing Organization instance, or create using a client-assigned ID none 400 476ms
PATCH /Organization/{id} instance-patch: Patch a resource instance of type Organization by ID none 400 476ms
DELETE /Organization/{id} instance-delete: Perform a logical delete on a resource instance none 200 482ms
GET /Patient Search patients none 200 500ms
POST /Patient create-type: Create a new Patient instance none — —
GET /Patient/{id} Read patient none 200 474ms
PUT /Patient/{id} update-instance: Update an existing Patient instance, or create using a client-assigned ID none 400 476ms
PATCH /Patient/{id} instance-patch: Patch a resource instance of type Patient by ID none 400 483ms
DELETE /Patient/{id} instance-delete: Perform a logical delete on a resource instance none 200 477ms
GET /Practitioner Search practitioners none 200 523ms
POST /Practitioner create-type: Create a new Practitioner instance none — —
GET /Practitioner/{id} Read practitioner none 404 480ms
PUT /Practitioner/{id} update-instance: Update an existing Practitioner instance, or create using a client-assigned ID none 400 483ms
PATCH /Practitioner/{id} instance-patch: Patch a resource instance of type Practitioner by ID none 400 476ms
DELETE /Practitioner/{id} instance-delete: Perform a logical delete on a resource instance none 200 481ms
GET /Procedure Search procedures none 200 510ms
GET /Procedure/{id} Read procedure — — —
GET /metadata Get server capabilities none 200 631ms