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 4147573 Specimen 1875476 Composition 938276 Patient 699065 Bundle 401726 Encounter 181465 Claim 134369 Condition 103037 AuditEvent 95300 ExplanationOfBenefit 89133 QuestionnaireResponse 86435 MedicationStatement 83750 Procedure 77097 Location 71036 DiagnosticReport 61186 Immunization 55818 Organization 55250 Practitioner 53579 Slot 46827 MedicationKnowledge 42979 Schedule 40153 DocumentReference 36785 MedicationRequest 34296 Appointment 33183 TestScript 32667 MessageHeader 28516 Coverage 27809 Media 22655 ClaimResponse 18305 Binary 18036 PractitionerRole 15894 Device 15629 List 15339 AllergyIntolerance 14393 CarePlan 10258 Medication 9617 MedicationAdministration 9315 ServiceRequest 7990 CareTeam 7510 Goal 6776 Questionnaire 6746 ImagingStudy 6393 Provenance 5331 StructureDefinition 5004 ValueSet 4349 CodeSystem 3751 HealthcareService 3633 SupplyDelivery 2660 OrganizationAffiliation 2604 Endpoint 2497 Task 2489 DeviceRequest 2428 MedicationDispense 2023 ImmunizationRecommendation 1731 Flag 1541 RelatedPerson 1540 Basic 1484 Communication 1371 SpecimenDefinition 1337 SubstanceProtein 1332 Consent 1251 ChargeItemDefinition 1089 RiskAssessment 1044 OperationOutcome 1003 Person 988 Invoice 758 CommunicationRequest 744 PlanDefinition 736 ActivityDefinition 720 Account 635 Group 580 MolecularSequence 549 CoverageEligibilityRequest 506 FamilyMemberHistory 490 ConceptMap 489 SearchParameter 473 Measure 440 Subscription 437 Parameters 412 MeasureReport 386 AppointmentResponse 362 EpisodeOfCare 342 Substance 334 ChargeItem 316 ClinicalImpression 298 DocumentManifest 281 AdverseEvent 266 BodyStructure 251 SupplyRequest 231 ResearchSubject 227 InsurancePlan 217 DetectedIssue 205 DeviceMetric 193 CapabilityStatement 176 Library 176 NamingSystem 175 OperationDefinition 141 RequestGroup 141 ResearchStudy 135 StructureMap 94 Contract 80 DeviceUseStatement 80 NutritionOrder 73 ObservationDefinition 69 ImplementationGuide 63 PaymentNotice 61 Evidence 56 PaymentReconciliation 53 DeviceDefinition 49 ResearchDefinition 49 ImmunizationEvaluation 47 MessageDefinition 47 MedicinalProduct 46 EvidenceVariable 45 RiskEvidenceSynthesis 44 EventDefinition 41 Linkage 40 CoverageEligibilityResponse 39 EnrollmentRequest 38 GraphDefinition 37 ResearchElementDefinition 37 ExampleScenario 33 CompartmentDefinition 32 TerminologyCapabilities 31 EffectEvidenceSynthesis 29 VisionPrescription 28 BiologicallyDerivedProduct 24 GuidanceResponse 24 SubstanceSpecification 21 VerificationResult 19 MedicinalProductIngredient 16 MedicinalProductInteraction 15 EnrollmentResponse 14 SubstanceReferenceInformation 14 TestReport 14 CatalogEntry 13 MedicinalProductAuthorization 13 MedicinalProductPharmaceutical 13 MedicinalProductPackaged 12 SubstanceNucleicAcid 12 MedicinalProductIndication 11 MedicinalProductManufactured 11 SubstanceSourceMaterial 10 SubstancePolymer 5 MedicinalProductContraindication MedicinalProductUndesirableEffect