WHO SMART Trust
1.1.6 - CI Build International flag

WHO SMART Trust, published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.1.6 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-trust/tree/main and changes regularly. See the Directory of published versions

Logical Model: Health Certificate

Official URL: http://smart.who.int/trust/StructureDefinition/HCert Version: 1.1.6
Active as of 2025-12-04 Computable Name: HCert

Logical Model for the HCERT

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. HCert 0..* Base Health Certificate
... 1 0..1 HCertDCC HCERT EU DCC
... 3 0..* DDCCCoreDataSetVS Vaccination Core Data Set claim
... 4 0..* DDCCCoreDataSetTR Test Result Core Data Set claim
... 5 0..* string VHL
... -6 0..* DVC DVC

doco Documentation for this format

API Information

Health Certificate API

Logical Model for the HCERT

Version: 1.0.0

Endpoints

GET /StructureDefinition-HCert.schema.json

JSON Schema definition for the Logical Model StructureDefinition-HCert

This endpoint serves the JSON Schema definition for the Logical Model StructureDefinition-HCert.

Schema Definition

StructureDefinition-HCert

Description: Logical Model for the HCERT

Type: object

Schema ID: http://smart.who.int/base/StructureDefinition-HCert.schema.json

Properties

  • resourceType (string): Resource type identifier for HCert logical model
  • 1 (unknown): HCERT EU DCC
  • 3 (array): DDCC Vaccination claim (PROPOSED)
  • 4 (array): DDCC Test Result claim (PROPOSED)
  • 5 (array): URI of a Verifiable Health Link. Of the form 'vhlink:/eyJ1cmwiOiJodHRwczovL2Vo....'
  • -6 (array): Digital Vaccination Certificate (Proposed)

Required fields: resourceType

Full Schema (JSON) 
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "http://smart.who.int/base/StructureDefinition-HCert.schema.json",
  "title": "Health Certificate",
  "description": "Logical Model for the HCERT",
  "type": "object",
  "properties": {
    "resourceType": {
      "type": "string",
      "const": "HCert",
      "description": "Resource type identifier for HCert logical model"
    },
    "1": {
      "$ref": "http://smart.who.int/base/StructureDefinition-HCertDCC.schema.json",
      "description": "HCERT EU DCC"
    },
    "3": {
      "type": "array",
      "items": {
        "$ref": "http://smart.who.int/base/StructureDefinition-DDCCCoreDataSet.schema.json"
      },
      "description": "DDCC Vaccination claim (PROPOSED)"
    },
    "4": {
      "type": "array",
      "items": {
        "$ref": "http://smart.who.int/base/StructureDefinition-DDCCCoreDataSet.schema.json"
      },
      "description": "DDCC Test Result claim (PROPOSED)"
    },
    "5": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "URI of a Verifiable Health Link.  Of the form 'vhlink:/eyJ1cmwiOiJodHRwczovL2Vo....'"
    },
    "-6": {
      "type": "array",
      "items": {
        "$ref": "http://smart.who.int/base/StructureDefinition-DVC.schema.json"
      },
      "description": "Digital Vaccination Certificate (Proposed)"
    }
  },
  "required": [
    "resourceType"
  ],
  "resourceDefinition": "http://smart.who.int/trust/StructureDefinition/HCert",
  "fhir:parent": "http://hl7.org/fhir/StructureDefinition/Base"
}

This documentation is automatically generated from the OpenAPI specification.

This structure is derived from Base

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. HCert 0..* Base Health Certificate
... 1 0..1 HCertDCC HCERT EU DCC
... 3 0..* DDCCCoreDataSetVS Vaccination Core Data Set claim
... 4 0..* DDCCCoreDataSetTR Test Result Core Data Set claim
... 5 0..* string VHL
... -6 0..* DVC DVC

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. HCert 0..* Base Health Certificate
... 1 0..1 HCertDCC HCERT EU DCC
... 3 0..* DDCCCoreDataSetVS Vaccination Core Data Set claim
... 4 0..* DDCCCoreDataSetTR Test Result Core Data Set claim
... 5 0..* string VHL
... -6 0..* DVC DVC

doco Documentation for this format

Key Elements View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. HCert 0..* Base Health Certificate
... 1 0..1 HCertDCC HCERT EU DCC
... 3 0..* DDCCCoreDataSetVS Vaccination Core Data Set claim
... 4 0..* DDCCCoreDataSetTR Test Result Core Data Set claim
... 5 0..* string VHL
... -6 0..* DVC DVC

doco Documentation for this format

Differential View

This structure is derived from Base

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. HCert 0..* Base Health Certificate
... 1 0..1 HCertDCC HCERT EU DCC
... 3 0..* DDCCCoreDataSetVS Vaccination Core Data Set claim
... 4 0..* DDCCCoreDataSetTR Test Result Core Data Set claim
... 5 0..* string VHL
... -6 0..* DVC DVC

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. HCert 0..* Base Health Certificate
... 1 0..1 HCertDCC HCERT EU DCC
... 3 0..* DDCCCoreDataSetVS Vaccination Core Data Set claim
... 4 0..* DDCCCoreDataSetTR Test Result Core Data Set claim
... 5 0..* string VHL
... -6 0..* DVC DVC

doco Documentation for this format

 

Other representations of profile: CSV, Excel