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 4314985 Patient 3622769 Specimen 1876134 Composition 940247 Bundle 405477 Encounter 227466 Location 220074 Binary 216969 Organization 160996 Claim 135888 Condition 125384 AuditEvent 95483 MedicationStatement 94941 QuestionnaireResponse 90664 ExplanationOfBenefit 89991 Procedure 81849 DiagnosticReport 64798 Practitioner 64598 Coverage 60064 Immunization 56970 Slot 50270 MedicationKnowledge 42992 MedicationRequest 42764 Schedule 40788 DocumentReference 39395 Appointment 37002 RelatedPerson 34268 TestScript 32679 MessageHeader 28724 PractitionerRole 28488 Media 23486 ClaimResponse 18341 AllergyIntolerance 17667 List 16849 Device 16646 CarePlan 11605 Medication 11165 ServiceRequest 11087 MedicationAdministration 9701 Questionnaire 8236 CareTeam 7710 ImagingStudy 7575 Goal 6999 StructureDefinition 5766 Provenance 5485 ValueSet 5281 CodeSystem 4505 HealthcareService 3868 Task 2855 SupplyDelivery 2696 OrganizationAffiliation 2614 Endpoint 2576 ImmunizationRecommendation 2570 DeviceRequest 2435 MedicationDispense 2217 Consent 1811 Basic 1795 Communication 1720 Flag 1565 SpecimenDefinition 1346 SubstanceProtein 1339 OperationOutcome 1323 Person 1199 RiskAssessment 1151 ChargeItemDefinition 1100 Invoice 1064 CoverageEligibilityRequest 980 ActivityDefinition 944 CommunicationRequest 908 PlanDefinition 810 Account 740 Group 732 Subscription 704 FamilyMemberHistory 651 CapabilityStatement 633 Parameters 611 MolecularSequence 583 SearchParameter 577 ConceptMap 553 ChargeItem 540 EpisodeOfCare 480 Measure 466 ClinicalImpression 449 InsurancePlan 440 MeasureReport 413 AppointmentResponse 387 AdverseEvent 377 Substance 371 DeviceMetric 302 DocumentManifest 290 BodyStructure 286 NamingSystem 249 DetectedIssue 243 ResearchSubject 242 SupplyRequest 238 Library 223 DeviceUseStatement 171 ResearchStudy 169 OperationDefinition 162 Contract 154 RequestGroup 151 NutritionOrder 134 ObservationDefinition 119 StructureMap 107 PaymentNotice 85 ImplementationGuide 72 Evidence 66 PaymentReconciliation 62 CoverageEligibilityResponse 61 MessageDefinition 57 MedicinalProduct 56 ResearchDefinition 56 DeviceDefinition 55 ImmunizationEvaluation 55 EvidenceVariable 53 CompartmentDefinition 52 RiskEvidenceSynthesis 51 EnrollmentRequest 50 Linkage 49 EventDefinition 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