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 21308 Patient 13283 Appointment 11302 ServiceRequest 10986 Encounter 5285 Binary 3553 Organization 2573 Parameters 2284 Location 1927 Condition 1889 Practitioner 1599 Media 1137 Slot 1101 MedicationRequest 683 PractitionerRole 490 DocumentReference 472 AllergyIntolerance 456 Claim 354 Procedure 287 MedicationStatement 260 Consent 214 DiagnosticReport 183 Coverage 174 Specimen 131 Communication 118 RiskAssessment 109 ImagingStudy 104 Immunization 97 Task 96 ClaimResponse 90 Invoice 82 Device 79 Schedule 79 AuditEvent 73 Questionnaire 69 List 68 QuestionnaireResponse 67 CarePlan 64 ValueSet 54 AppointmentResponse 53 Bundle 47 RelatedPerson 42 HealthcareService 36 Composition 34 Flag 32 CodeSystem 30 ExplanationOfBenefit 30 Medication 29 MessageHeader 24 StructureDefinition 20 Basic 16 Provenance 14 MedicationDispense 11 CoverageEligibilityResponse 10 ResearchSubject 10 FamilyMemberHistory 9 EpisodeOfCare 8 Account 7 CareTeam 7 CoverageEligibilityRequest 7 ResearchStudy 7 DeviceDefinition 6 SearchParameter 6 CommunicationRequest 5 ConceptMap 5 MedicationAdministration 5 NutritionOrder 5 ClinicalImpression 4 Goal 4 MeasureReport 4 SupplyDelivery 4 ActivityDefinition 3 CapabilityStatement 3 DeviceRequest 3 Endpoint 3 ImmunizationRecommendation 3 Measure 3 MolecularSequence 3 OrganizationAffiliation 3 RequestGroup 3 Substance 3 ChargeItem 2 Group 2 OperationOutcome 2 ImplementationGuide 1 Library 1 MedicinalProduct 1 MedicinalProductManufactured 1 OperationDefinition 1 AdverseEvent BiologicallyDerivedProduct BodyStructure CatalogEntry ChargeItemDefinition CompartmentDefinition Contract DetectedIssue DeviceMetric DeviceUseStatement DocumentManifest EffectEvidenceSynthesis EnrollmentRequest EnrollmentResponse EventDefinition Evidence EvidenceVariable ExampleScenario GraphDefinition GuidanceResponse ImmunizationEvaluation InsurancePlan Linkage MedicationKnowledge MedicinalProductAuthorization MedicinalProductContraindication MedicinalProductIndication MedicinalProductIngredient MedicinalProductInteraction MedicinalProductPackaged MedicinalProductPharmaceutical MedicinalProductUndesirableEffect MessageDefinition NamingSystem ObservationDefinition PaymentNotice PaymentReconciliation Person PlanDefinition ResearchDefinition ResearchElementDefinition RiskEvidenceSynthesis SpecimenDefinition StructureMap Subscription SubstanceNucleicAcid SubstancePolymer SubstanceProtein SubstanceReferenceInformation SubstanceSourceMaterial SubstanceSpecification SupplyRequest TerminologyCapabilities TestReport TestScript VerificationResult VisionPrescription