FHIR Server Base URL
https://hapi.fhir.org/baseR4
OpenAPI Docs
https://hapi.fhir.org/baseR4/api-docs
FHIR Version
4.0.1 (R4)

This server is Open Source Software, licensed under the terms of the Apache Software License 2.0.

All System Level Operations Observation 42608 Patient 9556 Encounter 7617 MedicationAdministration 5304 Condition 4724 AuditEvent 4065 Binary 3241 Slot 2212 MedicationRequest 1580 Procedure 1471 DocumentReference 1407 Practitioner 1048 DiagnosticReport 839 Task 670 MedicationStatement 584 Immunization 562 Organization 492 AllergyIntolerance 445 ServiceRequest 408 Provenance 290 Appointment 270 MedicationDispense 270 Location 234 QuestionnaireResponse 234 ExplanationOfBenefit 228 PractitionerRole 214 Coverage 183 Consent 174 CarePlan 136 Communication 124 Goal 102 Person 102 Specimen 91 RelatedPerson 78 StructureDefinition 78 Medication 77 Claim 74 Composition 72 ValueSet 69 Bundle 68 Device 67 Questionnaire 66 EpisodeOfCare 59 ChargeItem 57 ImagingStudy 52 Schedule 51 Media 48 CoverageEligibilityRequest 44 CoverageEligibilityResponse 43 CodeSystem 36 Group 34 HealthcareService 25 Flag 22 DetectedIssue 16 RiskAssessment 16 Library 15 ConceptMap 11 TestReport 11 TestScript 11 ClinicalImpression 10 PlanDefinition 10 CommunicationRequest 9 OperationOutcome 9 CapabilityStatement 8 NutritionOrder 8 SupplyRequest 8 BodyStructure 7 DeviceUseStatement 7 CareTeam 6 OrganizationAffiliation 6 Endpoint 5 SearchParameter 5 Subscription 5 Basic 3 AdverseEvent 2 ClaimResponse 2 Contract 2 List 2 NamingSystem 2 Substance 2 VerificationResult 2 ActivityDefinition 1 AppointmentResponse 1 FamilyMemberHistory 1 MessageHeader 1 RequestGroup 1 VisionPrescription 1 Account BiologicallyDerivedProduct CatalogEntry ChargeItemDefinition CompartmentDefinition DeviceDefinition DeviceMetric DeviceRequest DocumentManifest EffectEvidenceSynthesis EnrollmentRequest EnrollmentResponse EventDefinition Evidence EvidenceVariable ExampleScenario GraphDefinition GuidanceResponse ImmunizationEvaluation ImmunizationRecommendation ImplementationGuide InsurancePlan Invoice Linkage Measure MeasureReport MedicationKnowledge MedicinalProduct MedicinalProductAuthorization MedicinalProductContraindication MedicinalProductIndication MedicinalProductIngredient MedicinalProductInteraction MedicinalProductManufactured MedicinalProductPackaged MedicinalProductPharmaceutical MedicinalProductUndesirableEffect MessageDefinition MolecularSequence ObservationDefinition OperationDefinition Parameters PaymentNotice PaymentReconciliation ResearchDefinition ResearchElementDefinition ResearchStudy ResearchSubject RiskEvidenceSynthesis SpecimenDefinition StructureMap SubstanceNucleicAcid SubstancePolymer SubstanceProtein SubstanceReferenceInformation SubstanceSourceMaterial SubstanceSpecification SupplyDelivery TerminologyCapabilities