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 56779 MedicationRequest 29259 Condition 18936 Patient 15647 ServiceRequest 13126 Appointment 12980 Encounter 8067 Binary 3885 Organization 2788 Parameters 2284 Location 2056 Practitioner 1939 Slot 1345 Media 1214 PractitionerRole 696 AllergyIntolerance 544 DocumentReference 529 Specimen 389 Claim 363 Procedure 327 DiagnosticReport 323 MedicationStatement 322 Coverage 291 Consent 215 Communication 183 MedicationDispense 173 RiskAssessment 122 QuestionnaireResponse 121 Schedule 117 ImagingStudy 107 Immunization 102 Task 100 Device 91 ClaimResponse 90 Invoice 83 List 79 AuditEvent 76 Questionnaire 73 Bundle 68 CarePlan 66 Composition 65 ValueSet 58 AppointmentResponse 53 Medication 48 RelatedPerson 47 CodeSystem 38 HealthcareService 37 ExplanationOfBenefit 34 StructureDefinition 34 Flag 32 Basic 29 Provenance 29 MessageHeader 24 EpisodeOfCare 19 FamilyMemberHistory 16 CoverageEligibilityResponse 10 ResearchSubject 10 Account 7 CareTeam 7 ConceptMap 7 CoverageEligibilityRequest 7 ResearchStudy 7 DeviceDefinition 6 SearchParameter 6 CommunicationRequest 5 Goal 5 MedicationAdministration 5 NutritionOrder 5 ClinicalImpression 4 MeasureReport 4 RequestGroup 4 SupplyDelivery 4 ActivityDefinition 3 CapabilityStatement 3 ChargeItem 3 DeviceRequest 3 Endpoint 3 ImmunizationRecommendation 3 Library 3 Measure 3 MolecularSequence 3 OrganizationAffiliation 3 PlanDefinition 3 Substance 3 Group 2 OperationOutcome 2 BodyStructure 1 Evidence 1 ImplementationGuide 1 MedicinalProduct 1 MedicinalProductAuthorization 1 MedicinalProductManufactured 1 OperationDefinition 1 AdverseEvent BiologicallyDerivedProduct CatalogEntry ChargeItemDefinition CompartmentDefinition Contract DetectedIssue DeviceMetric DeviceUseStatement DocumentManifest EffectEvidenceSynthesis EnrollmentRequest EnrollmentResponse EventDefinition EvidenceVariable ExampleScenario GraphDefinition GuidanceResponse ImmunizationEvaluation InsurancePlan Linkage MedicationKnowledge MedicinalProductContraindication MedicinalProductIndication MedicinalProductIngredient MedicinalProductInteraction MedicinalProductPackaged MedicinalProductPharmaceutical MedicinalProductUndesirableEffect MessageDefinition NamingSystem ObservationDefinition PaymentNotice PaymentReconciliation Person ResearchDefinition ResearchElementDefinition RiskEvidenceSynthesis SpecimenDefinition StructureMap Subscription SubstanceNucleicAcid SubstancePolymer SubstanceProtein SubstanceReferenceInformation SubstanceSourceMaterial SubstanceSpecification SupplyRequest TerminologyCapabilities TestReport TestScript VerificationResult VisionPrescription