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 5883492 Patient 4632375 Encounter 2193766 Specimen 1881703 Composition 940893 Bundle 406312 Condition 235417 Binary 230959 Location 228195 Organization 163350 Claim 136302 MedicationStatement 102676 AuditEvent 96382 QuestionnaireResponse 91837 Coverage 90600 ExplanationOfBenefit 90128 Procedure 83733 Slot 82230 Practitioner 68515 DiagnosticReport 67462 RelatedPerson 64144 Immunization 58161 MedicationRequest 46567 MedicationKnowledge 42992 DocumentReference 41766 Appointment 41137 Schedule 40996 TestScript 32682 PractitionerRole 30772 Media 29677 MessageHeader 28991 Device 22478 AllergyIntolerance 19991 ClaimResponse 18453 List 17207 Medication 16557 ServiceRequest 12804 CarePlan 12620 MedicationAdministration 10633 Questionnaire 9135 ImagingStudy 8265 CareTeam 7728 Goal 7080 StructureDefinition 5864 Provenance 5735 ValueSet 5415 CodeSystem 4961 Task 4022 HealthcareService 3920 Basic 3801 SupplyDelivery 2750 OrganizationAffiliation 2615 Endpoint 2584 ImmunizationRecommendation 2570 DeviceRequest 2465 MedicationDispense 2409 Communication 2233 Consent 2018 OperationOutcome 1738 Flag 1582 SpecimenDefinition 1355 RiskAssessment 1340 SubstanceProtein 1339 FamilyMemberHistory 1283 Person 1256 Invoice 1149 ChargeItemDefinition 1107 Subscription 1075 CapabilityStatement 1037 CoverageEligibilityRequest 1018 ActivityDefinition 989 CommunicationRequest 935 PlanDefinition 854 Group 818 Account 750 ConceptMap 648 Parameters 629 ChargeItem 603 SearchParameter 597 MolecularSequence 583 EpisodeOfCare 562 Measure 518 ClinicalImpression 486 InsurancePlan 440 MeasureReport 413 AppointmentResponse 393 AdverseEvent 384 Substance 376 DeviceMetric 308 BodyStructure 296 DocumentManifest 290 DeviceUseStatement 283 Library 276 DetectedIssue 258 ResearchSubject 252 NamingSystem 251 SupplyRequest 238 NutritionOrder 224 ResearchStudy 188 OperationDefinition 163 Contract 154 RequestGroup 151 ObservationDefinition 135 StructureMap 108 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 GuidanceResponse 50 Linkage 49 EventDefinition 48 GraphDefinition 48 ResearchElementDefinition 44 VisionPrescription 42 ExampleScenario 40 TerminologyCapabilities 38 EffectEvidenceSynthesis 36 TestReport 34 BiologicallyDerivedProduct 30 SubstanceSpecification 28 VerificationResult 26 MedicinalProductIngredient 23 MedicinalProductInteraction 23 MedicinalProductPharmaceutical 23 SubstanceNucleicAcid 22 MedicinalProductAuthorization 21 SubstanceReferenceInformation 21 CatalogEntry 20 EnrollmentResponse 20 MedicinalProductContraindication 19 MedicinalProductManufactured 19 MedicinalProductPackaged 19 MedicinalProductIndication 18 SubstanceSourceMaterial 17 SubstancePolymer 12 MedicinalProductUndesirableEffect 10