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 4143327 Specimen 1875474 Composition 938239 Patient 693464 Bundle 401405 Encounter 180436 Claim 134151 Condition 102165 AuditEvent 95294 ExplanationOfBenefit 88985 QuestionnaireResponse 86272 MedicationStatement 82506 Procedure 76939 Location 70768 DiagnosticReport 60954 Immunization 55757 Organization 54901 Practitioner 53205 Slot 46821 MedicationKnowledge 42979 Schedule 40151 DocumentReference 36737 MedicationRequest 33984 Appointment 33021 TestScript 32592 MessageHeader 28419 Coverage 27804 Media 22465 ClaimResponse 18302 PractitionerRole 15866 Device 15558 List 15138 Binary 14639 AllergyIntolerance 14211 CarePlan 10115 Medication 9602 MedicationAdministration 8944 ServiceRequest 7923 CareTeam 7487 Goal 6759 Questionnaire 6456 ImagingStudy 6385 Provenance 5330 StructureDefinition 4986 ValueSet 4304 CodeSystem 3691 HealthcareService 3613 SupplyDelivery 2660 OrganizationAffiliation 2604 Endpoint 2493 Task 2474 DeviceRequest 2428 MedicationDispense 2023 ImmunizationRecommendation 1731 Flag 1541 RelatedPerson 1531 Basic 1481 Communication 1371 SpecimenDefinition 1337 SubstanceProtein 1332 Consent 1249 ChargeItemDefinition 1089 RiskAssessment 1039 Person 977 OperationOutcome 918 Invoice 758 CommunicationRequest 744 PlanDefinition 736 ActivityDefinition 716 Account 634 Group 567 MolecularSequence 549 CoverageEligibilityRequest 506 FamilyMemberHistory 478 SearchParameter 472 ConceptMap 461 Measure 440 Parameters 411 MeasureReport 386 Subscription 364 AppointmentResponse 362 EpisodeOfCare 342 Substance 334 ChargeItem 316 ClinicalImpression 298 DocumentManifest 281 AdverseEvent 265 BodyStructure 250 SupplyRequest 231 ResearchSubject 221 InsurancePlan 217 DetectedIssue 205 DeviceMetric 193 Library 176 NamingSystem 175 CapabilityStatement 174 OperationDefinition 141 RequestGroup 141 ResearchStudy 111 StructureMap 94 DeviceUseStatement 80 Contract 79 NutritionOrder 73 ObservationDefinition 69 ImplementationGuide 63 PaymentNotice 61 Evidence 56 PaymentReconciliation 53 DeviceDefinition 49 ResearchDefinition 49 ImmunizationEvaluation 47 MessageDefinition 47 EvidenceVariable 45 MedicinalProduct 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