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 149535 Patient 63404 Appointment 51607 Condition 41104 Encounter 37396 MedicationRequest 36714 Binary 33066 ServiceRequest 26126 Procedure 15204 Specimen 8701 Practitioner 8468 AuditEvent 8303 DiagnosticReport 7391 Slot 6869 Organization 5484 PractitionerRole 5211 MedicationStatement 4783 DocumentReference 4211 AllergyIntolerance 3966 Location 3020 Coverage 3003 Parameters 2295 Claim 1587 Immunization 1538 Media 1296 Device 1152 MedicationDispense 1065 MedicationAdministration 843 ExplanationOfBenefit 766 Consent 576 CarePlan 545 Bundle 517 Task 491 DetectedIssue 479 SupplyDelivery 433 CareTeam 424 QuestionnaireResponse 400 Provenance 356 MeasureReport 280 Communication 265 Questionnaire 256 RiskAssessment 249 Flag 241 ValueSet 237 ImagingStudy 235 Medication 212 Schedule 202 ClinicalImpression 185 CodeSystem 178 Composition 169 List 164 ClaimResponse 161 Goal 158 RelatedPerson 151 Basic 119 Invoice 116 StructureDefinition 99 HealthcareService 85 ConceptMap 77 AppointmentResponse 65 Account 60 CoverageEligibilityResponse 46 EpisodeOfCare 45 FamilyMemberHistory 43 ActivityDefinition 32 Group 31 MessageHeader 26 SearchParameter 26 ResearchSubject 20 PlanDefinition 19 OperationDefinition 15 ImmunizationRecommendation 14 ObservationDefinition 14 Subscription 14 ResearchStudy 11 CommunicationRequest 10 CoverageEligibilityRequest 9 Endpoint 9 Library 9 CapabilityStatement 8 ChargeItem 8 PaymentNotice 8 BodyStructure 7 DeviceDefinition 7 Measure 7 NutritionOrder 6 OperationOutcome 6 RequestGroup 6 Substance 6 DeviceRequest 4 InsurancePlan 4 MolecularSequence 4 Person 4 VisionPrescription 4 OrganizationAffiliation 3 PaymentReconciliation 2 Contract 1 DeviceMetric 1 EnrollmentRequest 1 Evidence 1 GraphDefinition 1 ImmunizationEvaluation 1 ImplementationGuide 1 MedicationKnowledge 1 MedicinalProduct 1 MedicinalProductAuthorization 1 MedicinalProductManufactured 1 StructureMap 1 AdverseEvent BiologicallyDerivedProduct CatalogEntry ChargeItemDefinition CompartmentDefinition DeviceUseStatement DocumentManifest EffectEvidenceSynthesis EnrollmentResponse EventDefinition EvidenceVariable ExampleScenario GuidanceResponse Linkage MedicinalProductContraindication MedicinalProductIndication MedicinalProductIngredient MedicinalProductInteraction MedicinalProductPackaged MedicinalProductPharmaceutical MedicinalProductUndesirableEffect MessageDefinition NamingSystem ResearchDefinition ResearchElementDefinition RiskEvidenceSynthesis SpecimenDefinition SubstanceNucleicAcid SubstancePolymer SubstanceProtein SubstanceReferenceInformation SubstanceSourceMaterial SubstanceSpecification SupplyRequest TerminologyCapabilities TestReport TestScript VerificationResult