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 4144800 Specimen 1875474 Composition 938265 Patient 694914 Bundle 401622 Encounter 180789 Claim 134152 Condition 102493 AuditEvent 95298 ExplanationOfBenefit 88985 QuestionnaireResponse 86326 MedicationStatement 83043 Procedure 76939 Location 70937 DiagnosticReport 60963 Immunization 55757 Organization 55092 Practitioner 53348 Slot 46821 MedicationKnowledge 42979 Schedule 40151 DocumentReference 36761 MedicationRequest 34229 Appointment 33076 TestScript 32667 MessageHeader 28421 Coverage 27805 Media 22465 ClaimResponse 18303 Binary 16909 PractitionerRole 15880 Device 15561 List 15219 AllergyIntolerance 14270 CarePlan 10230 Medication 9604 MedicationAdministration 9300 ServiceRequest 7934 CareTeam 7487 Goal 6765 Questionnaire 6551 ImagingStudy 6385 Provenance 5330 StructureDefinition 4993 ValueSet 4342 CodeSystem 3742 HealthcareService 3618 SupplyDelivery 2660 OrganizationAffiliation 2604 Endpoint 2497 Task 2477 DeviceRequest 2428 MedicationDispense 2023 ImmunizationRecommendation 1731 Flag 1541 RelatedPerson 1531 Basic 1483 Communication 1371 SpecimenDefinition 1337 SubstanceProtein 1332 Consent 1251 ChargeItemDefinition 1089 RiskAssessment 1040 OperationOutcome 981 Person 979 Invoice 758 CommunicationRequest 744 PlanDefinition 736 ActivityDefinition 716 Account 635 Group 572 MolecularSequence 549 CoverageEligibilityRequest 506 ConceptMap 486 FamilyMemberHistory 478 SearchParameter 473 Measure 440 Parameters 412 MeasureReport 386 Subscription 370 AppointmentResponse 362 EpisodeOfCare 342 Substance 334 ChargeItem 316 ClinicalImpression 298 DocumentManifest 281 AdverseEvent 266 BodyStructure 250 SupplyRequest 231 ResearchSubject 221 InsurancePlan 217 DetectedIssue 205 DeviceMetric 193 Library 176 CapabilityStatement 175 NamingSystem 175 OperationDefinition 141 RequestGroup 141 ResearchStudy 118 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