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 4289338 Patient 2792020 Specimen 1876096 Composition 939834 Bundle 405027 Location 219908 Encounter 194005 Organization 160374 Claim 135787 Binary 129324 Condition 123849 AuditEvent 95470 MedicationStatement 91917 QuestionnaireResponse 90483 ExplanationOfBenefit 89898 Procedure 81709 DiagnosticReport 64516 Practitioner 63169 Immunization 56907 Slot 48689 MedicationKnowledge 42990 MedicationRequest 42404 Schedule 40748 DocumentReference 39185 Appointment 35482 TestScript 32679 MessageHeader 28607 PractitionerRole 28299 Coverage 28261 Media 23357 ClaimResponse 18325 AllergyIntolerance 17207 Device 16548 List 16485 CarePlan 11521 Medication 11080 ServiceRequest 10853 MedicationAdministration 9685 Questionnaire 8142 CareTeam 7702 ImagingStudy 7564 Goal 6973 StructureDefinition 5715 Provenance 5472 ValueSet 5236 CodeSystem 4011 HealthcareService 3827 Task 2848 SupplyDelivery 2696 OrganizationAffiliation 2613 Endpoint 2571 ImmunizationRecommendation 2570 DeviceRequest 2435 RelatedPerson 2283 MedicationDispense 2168 Basic 1792 Consent 1773 Communication 1696 Flag 1565 SpecimenDefinition 1345 SubstanceProtein 1339 OperationOutcome 1200 Person 1177 RiskAssessment 1146 ChargeItemDefinition 1100 Invoice 1013 CoverageEligibilityRequest 956 CommunicationRequest 901 PlanDefinition 808 ActivityDefinition 767 Account 734 Group 718 Subscription 697 FamilyMemberHistory 643 MolecularSequence 583 SearchParameter 552 ConceptMap 547 ChargeItem 538 EpisodeOfCare 480 Measure 466 Parameters 454 ClinicalImpression 442 MeasureReport 413 AppointmentResponse 385 InsurancePlan 385 Substance 371 AdverseEvent 369 DocumentManifest 290 DeviceMetric 288 BodyStructure 286 NamingSystem 249 DetectedIssue 240 SupplyRequest 238 ResearchSubject 236 Library 222 CapabilityStatement 194 DeviceUseStatement 169 OperationDefinition 159 Contract 154 RequestGroup 149 ResearchStudy 149 NutritionOrder 124 StructureMap 107 ObservationDefinition 94 PaymentNotice 85 ImplementationGuide 72 Evidence 66 PaymentReconciliation 62 MessageDefinition 57 MedicinalProduct 56 ResearchDefinition 56 CoverageEligibilityResponse 55 DeviceDefinition 55 ImmunizationEvaluation 55 EvidenceVariable 53 CompartmentDefinition 51 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