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 121633 Patient 58276 Appointment 51167 Condition 37988 MedicationRequest 33949 Encounter 32219 ServiceRequest 26010 Binary 17384 Procedure 10635 Specimen 8640 Practitioner 7944 Slot 6720 Organization 5311 PractitionerRole 5167 MedicationStatement 3854 AllergyIntolerance 3617 DocumentReference 3179 Location 2971 Coverage 2882 DiagnosticReport 2857 Parameters 2295 Claim 1566 Media 1241 Device 1064 MedicationDispense 1040 MedicationAdministration 831 Immunization 777 AuditEvent 770 ExplanationOfBenefit 726 CarePlan 500 Task 476 DetectedIssue 474 Consent 390 SupplyDelivery 361 QuestionnaireResponse 334 Provenance 313 MeasureReport 278 Communication 259 CareTeam 250 Flag 240 RiskAssessment 239 Bundle 220 ImagingStudy 217 Questionnaire 204 Medication 198 Schedule 181 ClaimResponse 158 ClinicalImpression 155 CodeSystem 150 ValueSet 146 RelatedPerson 143 Goal 142 List 142 Composition 141 Invoice 116 StructureDefinition 83 HealthcareService 73 AppointmentResponse 65 ConceptMap 62 Basic 61 CoverageEligibilityResponse 45 FamilyMemberHistory 42 EpisodeOfCare 39 ActivityDefinition 29 MessageHeader 26 Group 22 PlanDefinition 18 ResearchSubject 16 SearchParameter 15 ObservationDefinition 14 OperationDefinition 14 Subscription 14 ImmunizationRecommendation 13 CommunicationRequest 10 ResearchStudy 10 Account 9 CoverageEligibilityRequest 9 Library 9 ChargeItem 8 Endpoint 8 BodyStructure 7 DeviceDefinition 7 PaymentNotice 7 CapabilityStatement 6 Measure 6 NutritionOrder 6 RequestGroup 6 OperationOutcome 5 VisionPrescription 4 DeviceRequest 3 MolecularSequence 3 OrganizationAffiliation 3 Substance 3 Contract 1 DeviceMetric 1 Evidence 1 ImplementationGuide 1 MedicationKnowledge 1 MedicinalProduct 1 MedicinalProductAuthorization 1 MedicinalProductManufactured 1 Person 1 StructureMap 1 AdverseEvent BiologicallyDerivedProduct CatalogEntry ChargeItemDefinition CompartmentDefinition DeviceUseStatement DocumentManifest EffectEvidenceSynthesis EnrollmentRequest EnrollmentResponse EventDefinition EvidenceVariable ExampleScenario GraphDefinition GuidanceResponse ImmunizationEvaluation InsurancePlan Linkage MedicinalProductContraindication MedicinalProductIndication MedicinalProductIngredient MedicinalProductInteraction MedicinalProductPackaged MedicinalProductPharmaceutical MedicinalProductUndesirableEffect MessageDefinition NamingSystem PaymentReconciliation ResearchDefinition ResearchElementDefinition RiskEvidenceSynthesis SpecimenDefinition SubstanceNucleicAcid SubstancePolymer SubstanceProtein SubstanceReferenceInformation SubstanceSourceMaterial SubstanceSpecification SupplyRequest TerminologyCapabilities TestReport TestScript VerificationResult