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 121990 Patient 58781 Appointment 51219 Condition 38093 MedicationRequest 33975 Encounter 32366 ServiceRequest 26015 Binary 17838 Procedure 10739 Specimen 8643 Practitioner 7964 Slot 6721 Organization 5328 PractitionerRole 5174 MedicationStatement 3934 AllergyIntolerance 3651 DocumentReference 3213 Location 2974 Coverage 2908 DiagnosticReport 2863 Parameters 2295 Claim 1569 Media 1241 Device 1069 MedicationDispense 1040 MedicationAdministration 831 Immunization 778 AuditEvent 771 ExplanationOfBenefit 763 CarePlan 504 Task 480 DetectedIssue 474 Consent 445 SupplyDelivery 361 QuestionnaireResponse 335 Provenance 314 MeasureReport 278 Communication 261 CareTeam 250 Flag 240 RiskAssessment 239 Bundle 220 ImagingStudy 217 Questionnaire 206 Medication 198 Schedule 182 ClaimResponse 158 ClinicalImpression 156 CodeSystem 150 Composition 148 ValueSet 146 RelatedPerson 143 Goal 142 List 142 Invoice 116 StructureDefinition 83 HealthcareService 73 AppointmentResponse 65 ConceptMap 62 Basic 61 CoverageEligibilityResponse 45 FamilyMemberHistory 42 EpisodeOfCare 39 ActivityDefinition 30 MessageHeader 26 Group 22 PlanDefinition 18 ResearchSubject 16 SearchParameter 15 ImmunizationRecommendation 14 ObservationDefinition 14 OperationDefinition 14 Subscription 14 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