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 210843 Communication 171255 Patient 97018 Encounter 46850 Condition 36695 MedicationRequest 34937 Binary 31353 Appointment 28798 Procedure 20683 ServiceRequest 19986 Slot 12468 RequestGroup 10261 DiagnosticReport 8874 Practitioner 8400 MedicationStatement 8215 DetectedIssue 7400 DocumentReference 7235 AuditEvent 6855 Organization 5901 Specimen 5586 AllergyIntolerance 5027 Immunization 3138 Location 3124 PractitionerRole 3092 Device 2860 Coverage 2756 ExplanationOfBenefit 2555 Claim 1484 MedicationAdministration 1347 CarePlan 1344 Parameters 1253 MedicationDispense 1223 QuestionnaireResponse 1113 RelatedPerson 1093 Provenance 1020 CareTeam 1012 Medication 892 Media 857 Goal 845 ImagingStudy 653 RiskAssessment 636 ClinicalImpression 559 Task 509 Consent 505 Schedule 412 Bundle 399 Composition 394 SupplyDelivery 335 MeasureReport 257 Questionnaire 228 HealthcareService 217 FamilyMemberHistory 210 DeviceUseStatement 205 ValueSet 179 Basic 162 Flag 162 List 142 ClaimResponse 134 CodeSystem 126 Account 93 ObservationDefinition 92 Invoice 73 StructureDefinition 70 ImmunizationRecommendation 68 EpisodeOfCare 65 ConceptMap 63 CoverageEligibilityRequest 45 AppointmentResponse 40 CoverageEligibilityResponse 38 ChargeItem 31 ActivityDefinition 28 Group 25 SearchParameter 25 Person 24 AdverseEvent 22 NutritionOrder 22 PlanDefinition 22 BodyStructure 16 CommunicationRequest 16 VisionPrescription 14 DeviceRequest 12 PaymentNotice 12 ResearchSubject 12 ResearchStudy 9 NamingSystem 8 CapabilityStatement 7 MessageHeader 7 PaymentReconciliation 7 SupplyRequest 7 Library 6 MedicationKnowledge 6 Measure 5 OperationDefinition 5 OperationOutcome 5 Subscription 5 Substance 4 DeviceDefinition 3 Endpoint 3 MolecularSequence 3 OrganizationAffiliation 3 InsurancePlan 2 Contract 1 ImplementationGuide 1 MedicinalProductAuthorization 1 BiologicallyDerivedProduct CatalogEntry ChargeItemDefinition CompartmentDefinition DeviceMetric DocumentManifest EffectEvidenceSynthesis EnrollmentRequest EnrollmentResponse EventDefinition Evidence EvidenceVariable ExampleScenario GraphDefinition GuidanceResponse ImmunizationEvaluation Linkage MedicinalProduct MedicinalProductContraindication MedicinalProductIndication MedicinalProductIngredient MedicinalProductInteraction MedicinalProductManufactured MedicinalProductPackaged MedicinalProductPharmaceutical MedicinalProductUndesirableEffect MessageDefinition ResearchDefinition ResearchElementDefinition RiskEvidenceSynthesis SpecimenDefinition StructureMap SubstanceNucleicAcid SubstancePolymer SubstanceProtein SubstanceReferenceInformation SubstanceSourceMaterial SubstanceSpecification TerminologyCapabilities TestReport TestScript VerificationResult