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 258948 Patient 31935 Condition 31222 MedicationRequest 20806 Encounter 16993 Slot 16595 Procedure 14664 MedicationAdministration 10088 Binary 4575 AuditEvent 4264 Practitioner 3207 DocumentReference 2951 DiagnosticReport 2131 Task 1910 Organization 1897 PractitionerRole 1763 ServiceRequest 1677 Appointment 1340 Immunization 1253 Provenance 1232 QuestionnaireResponse 1096 Location 1023 MedicationStatement 1022 AllergyIntolerance 887 Communication 746 CarePlan 614 SupplyDelivery 561 Coverage 541 ChargeItem 526 Specimen 466 Schedule 431 ExplanationOfBenefit 359 Library 327 Device 321 Consent 307 ImagingStudy 292 MedicationDispense 283 Claim 276 Medication 253 Bundle 227 ValueSet 216 Questionnaire 211 SearchParameter 188 Composition 180 CareTeam 175 StructureDefinition 171 Invoice 167 PlanDefinition 158 Goal 143 RelatedPerson 136 Account 123 Basic 117 CodeSystem 116 Person 106 Group 104 CommunicationRequest 84 EpisodeOfCare 65 Flag 65 CoverageEligibilityRequest 64 List 63 HealthcareService 62 CoverageEligibilityResponse 60 DetectedIssue 58 FamilyMemberHistory 56 Media 53 MedicationKnowledge 41 ClinicalImpression 40 SupplyRequest 35 RiskAssessment 33 ClaimResponse 32 ConceptMap 32 Endpoint 27 Subscription 26 OperationOutcome 22 BodyStructure 14 StructureMap 13 NutritionOrder 12 TestReport 11 TestScript 11 MolecularSequence 9 CapabilityStatement 8 DeviceUseStatement 8 PaymentReconciliation 7 DeviceDefinition 6 DeviceRequest 6 EvidenceVariable 6 OrganizationAffiliation 6 ResearchSubject 6 AdverseEvent 5 Parameters 5 AppointmentResponse 4 ResearchStudy 4 InsurancePlan 3 PaymentNotice 3 VisionPrescription 3 ActivityDefinition 2 Contract 2 ImmunizationRecommendation 2 NamingSystem 2 Substance 2 VerificationResult 2 Evidence 1 Measure 1 MessageHeader 1 RequestGroup 1 BiologicallyDerivedProduct CatalogEntry ChargeItemDefinition CompartmentDefinition DeviceMetric DocumentManifest EffectEvidenceSynthesis EnrollmentRequest EnrollmentResponse EventDefinition ExampleScenario GraphDefinition GuidanceResponse ImmunizationEvaluation ImplementationGuide Linkage MeasureReport MedicinalProduct MedicinalProductAuthorization MedicinalProductContraindication MedicinalProductIndication MedicinalProductIngredient MedicinalProductInteraction MedicinalProductManufactured MedicinalProductPackaged MedicinalProductPharmaceutical MedicinalProductUndesirableEffect MessageDefinition ObservationDefinition OperationDefinition ResearchDefinition ResearchElementDefinition RiskEvidenceSynthesis SpecimenDefinition SubstanceNucleicAcid SubstancePolymer SubstanceProtein SubstanceReferenceInformation SubstanceSourceMaterial SubstanceSpecification TerminologyCapabilities