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 5268893 Patient 4332735 Specimen 1876175 Encounter 1607414 Composition 940759 Bundle 405767 Binary 227015 Location 220347 Condition 205065 Organization 162650 Claim 136247 MedicationStatement 101171 AuditEvent 96326 QuestionnaireResponse 91629 ExplanationOfBenefit 90044 Procedure 83258 Coverage 80764 Practitioner 67170 DiagnosticReport 67118 Immunization 58038 RelatedPerson 55944 Slot 52841 MedicationRequest 44546 MedicationKnowledge 42992 DocumentReference 41380 Schedule 40896 Appointment 40394 TestScript 32682 PractitionerRole 30068 MessageHeader 28860 Media 23996 AllergyIntolerance 19424 ClaimResponse 18433 List 17021 Device 16930 Medication 16153 CarePlan 12461 ServiceRequest 12410 MedicationAdministration 10509 Questionnaire 8940 ImagingStudy 8256 CareTeam 7721 Goal 7042 StructureDefinition 5827 Provenance 5662 ValueSet 5366 CodeSystem 4909 HealthcareService 3905 Basic 3729 Task 3540 SupplyDelivery 2696 OrganizationAffiliation 2614 Endpoint 2576 ImmunizationRecommendation 2570 DeviceRequest 2465 MedicationDispense 2351 Communication 2046 Consent 1946 OperationOutcome 1701 Flag 1582 SpecimenDefinition 1355 SubstanceProtein 1339 FamilyMemberHistory 1266 RiskAssessment 1221 Person 1205 Invoice 1135 ChargeItemDefinition 1100 CapabilityStatement 1009 CoverageEligibilityRequest 1007 ActivityDefinition 972 CommunicationRequest 924 PlanDefinition 844 Subscription 815 Group 811 Account 747 Parameters 622 ConceptMap 621 ChargeItem 584 MolecularSequence 583 SearchParameter 583 EpisodeOfCare 556 Measure 513 ClinicalImpression 486 InsurancePlan 440 MeasureReport 413 AppointmentResponse 393 AdverseEvent 380 Substance 376 DeviceMetric 303 BodyStructure 294 DocumentManifest 290 Library 272 DeviceUseStatement 271 DetectedIssue 257 NamingSystem 251 ResearchSubject 244 SupplyRequest 238 NutritionOrder 223 ResearchStudy 186 OperationDefinition 163 Contract 154 RequestGroup 151 ObservationDefinition 135 StructureMap 107 PaymentNotice 97 ImplementationGuide 72 CoverageEligibilityResponse 71 Evidence 66 PaymentReconciliation 64 MessageDefinition 57 MedicinalProduct 56 ResearchDefinition 56 DeviceDefinition 55 ImmunizationEvaluation 55 EvidenceVariable 53 RiskEvidenceSynthesis 53 CompartmentDefinition 52 EnrollmentRequest 50 Linkage 49 EventDefinition 48 GraphDefinition 48 ResearchElementDefinition 44 VisionPrescription 42 ExampleScenario 40 TerminologyCapabilities 38 EffectEvidenceSynthesis 36 TestReport 34 GuidanceResponse 32 BiologicallyDerivedProduct 30 SubstanceSpecification 28 VerificationResult 26 MedicinalProductIngredient 23 MedicinalProductInteraction 23 MedicinalProductPharmaceutical 23 SubstanceNucleicAcid 22 MedicinalProductAuthorization 21 SubstanceReferenceInformation 21 CatalogEntry 20 EnrollmentResponse 20 MedicinalProductContraindication 19 MedicinalProductPackaged 19 MedicinalProductIndication 18 MedicinalProductManufactured 18 SubstanceSourceMaterial 17 SubstancePolymer 12 MedicinalProductUndesirableEffect 9