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 173691 Patient 43302 Encounter 39297 MedicationRequest 33565 Condition 28474 Appointment 28358 Binary 24956 ServiceRequest 18872 Procedure 16648 Communication 13758 Slot 11595 DiagnosticReport 6910 AuditEvent 6829 Practitioner 5484 Specimen 5042 DocumentReference 4910 MedicationStatement 3458 Organization 3442 AllergyIntolerance 2706 PractitionerRole 2500 Location 2091 Coverage 1710 Immunization 1593 Claim 1324 DetectedIssue 1272 Parameters 1252 Device 979 MedicationAdministration 812 Media 780 ExplanationOfBenefit 752 RequestGroup 725 ImagingStudy 635 RiskAssessment 595 CarePlan 543 MedicationDispense 543 ClinicalImpression 524 Consent 453 Bundle 386 QuestionnaireResponse 385 Task 351 CareTeam 342 Schedule 342 SupplyDelivery 335 Provenance 307 Medication 303 MeasureReport 253 Questionnaire 204 HealthcareService 199 ValueSet 173 Goal 168 Flag 152 Composition 135 RelatedPerson 132 ClaimResponse 130 List 129 CodeSystem 122 Basic 111 ObservationDefinition 92 Account 86 Invoice 73 StructureDefinition 70 FamilyMemberHistory 62 ConceptMap 59 ImmunizationRecommendation 59 CoverageEligibilityResponse 38 EpisodeOfCare 38 AppointmentResponse 37 ActivityDefinition 26 SearchParameter 24 PlanDefinition 22 CoverageEligibilityRequest 18 Group 16 Person 14 AdverseEvent 13 PaymentNotice 12 ResearchSubject 12 CommunicationRequest 10 NutritionOrder 10 ChargeItem 9 ResearchStudy 9 CapabilityStatement 7 MessageHeader 7 PaymentReconciliation 7 BodyStructure 6 Library 5 Measure 5 OperationDefinition 5 OperationOutcome 5 Subscription 5 VisionPrescription 5 DeviceDefinition 3 DeviceRequest 3 MolecularSequence 3 OrganizationAffiliation 3 Substance 3 Endpoint 2 Contract 1 DeviceUseStatement 1 ImplementationGuide 1 MedicinalProductAuthorization 1 BiologicallyDerivedProduct CatalogEntry ChargeItemDefinition CompartmentDefinition DeviceMetric DocumentManifest EffectEvidenceSynthesis EnrollmentRequest EnrollmentResponse EventDefinition Evidence EvidenceVariable ExampleScenario GraphDefinition GuidanceResponse ImmunizationEvaluation InsurancePlan Linkage MedicationKnowledge MedicinalProduct MedicinalProductContraindication MedicinalProductIndication MedicinalProductIngredient MedicinalProductInteraction MedicinalProductManufactured MedicinalProductPackaged MedicinalProductPharmaceutical MedicinalProductUndesirableEffect MessageDefinition NamingSystem ResearchDefinition ResearchElementDefinition RiskEvidenceSynthesis SpecimenDefinition StructureMap SubstanceNucleicAcid SubstancePolymer SubstanceProtein SubstanceReferenceInformation SubstanceSourceMaterial SubstanceSpecification SupplyRequest TerminologyCapabilities TestReport TestScript VerificationResult