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 4303356 Patient 3280454 Specimen 1876114 Composition 940064 Bundle 405142 Location 220010 Binary 214271 Encounter 209051 Organization 160697 Claim 135839 Condition 124932 AuditEvent 95481 MedicationStatement 94719 QuestionnaireResponse 90623 ExplanationOfBenefit 89922 Procedure 81789 DiagnosticReport 64654 Practitioner 63794 Immunization 56942 Slot 48699 MedicationKnowledge 42990 MedicationRequest 42571 Coverage 41957 Schedule 40760 DocumentReference 39319 Appointment 36167 TestScript 32679 MessageHeader 28611 PractitionerRole 28330 Media 23443 ClaimResponse 18328 AllergyIntolerance 17443 List 16789 Device 16597 RelatedPerson 15936 CarePlan 11591 Medication 11121 ServiceRequest 11029 MedicationAdministration 9701 Questionnaire 8170 CareTeam 7707 ImagingStudy 7572 Goal 6990 StructureDefinition 5756 Provenance 5485 ValueSet 5272 CodeSystem 4172 HealthcareService 3865 Task 2849 SupplyDelivery 2696 OrganizationAffiliation 2613 Endpoint 2576 ImmunizationRecommendation 2570 DeviceRequest 2435 MedicationDispense 2169 Basic 1794 Consent 1785 Communication 1718 Flag 1565 SpecimenDefinition 1345 SubstanceProtein 1339 OperationOutcome 1203 Person 1198 RiskAssessment 1151 ChargeItemDefinition 1100 Invoice 1063 CoverageEligibilityRequest 978 CommunicationRequest 903 ActivityDefinition 895 PlanDefinition 809 Account 740 Group 721 Subscription 703 FamilyMemberHistory 643 MolecularSequence 583 SearchParameter 571 Parameters 560 ConceptMap 550 ChargeItem 540 EpisodeOfCare 480 Measure 466 ClinicalImpression 449 MeasureReport 413 InsurancePlan 394 AppointmentResponse 385 AdverseEvent 377 Substance 371 CapabilityStatement 306 DocumentManifest 290 DeviceMetric 288 BodyStructure 286 NamingSystem 249 DetectedIssue 243 SupplyRequest 238 ResearchSubject 236 Library 223 DeviceUseStatement 169 OperationDefinition 160 Contract 154 RequestGroup 149 ResearchStudy 149 NutritionOrder 134 StructureMap 107 ObservationDefinition 96 PaymentNotice 85 ImplementationGuide 72 Evidence 66 PaymentReconciliation 62 CoverageEligibilityResponse 57 MessageDefinition 57 MedicinalProduct 56 ResearchDefinition 56 DeviceDefinition 55 ImmunizationEvaluation 55 EvidenceVariable 53 CompartmentDefinition 52 RiskEvidenceSynthesis 51 EnrollmentRequest 50 EventDefinition 48 Linkage 48 GraphDefinition 47 ResearchElementDefinition 44 ExampleScenario 40 VisionPrescription 40 TerminologyCapabilities 38 EffectEvidenceSynthesis 36 TestReport 34 GuidanceResponse 31 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