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 5227404 Patient 4314822 Specimen 1876175 Encounter 1499143 Composition 940733 Bundle 405764 Binary 227011 Location 220340 Condition 200164 Organization 162612 Claim 136229 MedicationStatement 101170 AuditEvent 96326 QuestionnaireResponse 91611 ExplanationOfBenefit 90043 Procedure 83218 Coverage 80658 Practitioner 67140 DiagnosticReport 67107 Immunization 58035 RelatedPerson 55836 Slot 52823 MedicationRequest 44482 MedicationKnowledge 42992 DocumentReference 41377 Schedule 40891 Appointment 40364 TestScript 32682 PractitionerRole 29802 MessageHeader 28860 Media 23996 AllergyIntolerance 19414 ClaimResponse 18431 List 17021 Device 16919 Medication 16133 CarePlan 12438 ServiceRequest 12387 MedicationAdministration 10502 Questionnaire 8937 ImagingStudy 8240 CareTeam 7721 Goal 7036 StructureDefinition 5824 Provenance 5656 ValueSet 5365 CodeSystem 4909 HealthcareService 3902 Basic 3729 Task 3509 SupplyDelivery 2696 OrganizationAffiliation 2614 Endpoint 2576 ImmunizationRecommendation 2570 DeviceRequest 2465 MedicationDispense 2351 Communication 2044 Consent 1945 OperationOutcome 1701 Flag 1582 SpecimenDefinition 1355 SubstanceProtein 1339 FamilyMemberHistory 1266 RiskAssessment 1213 Person 1205 Invoice 1134 ChargeItemDefinition 1100 CapabilityStatement 1009 CoverageEligibilityRequest 1007 ActivityDefinition 971 CommunicationRequest 924 PlanDefinition 844 Subscription 815 Group 811 Account 747 Parameters 622 ConceptMap 621 MolecularSequence 583 SearchParameter 583 ChargeItem 571 EpisodeOfCare 556 Measure 513 ClinicalImpression 486 InsurancePlan 440 MeasureReport 413 AppointmentResponse 389 AdverseEvent 380 Substance 376 DeviceMetric 303 BodyStructure 294 DocumentManifest 290 Library 272 DeviceUseStatement 270 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