WHO SMART Trust
1.5.0 - release

WHO SMART Trust, published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.5.0 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/v1.5.0-release-candidate and changes regularly. See the Directory of published versions

## : WHO GDHCN Payload Types - JSON Representation

Active as of 2026-04-27

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    {
      "resourceType" : "CodeSystem",
      "id" : "PayloadTypes",
      "text" : {
        "status" : "generated",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem PayloadTypes</b></p><a name=\"PayloadTypes\"> </a><a name=\"hcPayloadTypes\"> </a><p>This case-insensitive code system <code>http://smart.who.int/trust/CodeSystem/PayloadTypes</code> defines the following code:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">urn:who:trust:trustlist:v2<a name=\"PayloadTypes-urn.58who.58trust.58trustlist.58v2\"> </a></td><td>WHO GDHCN Trust List v2</td><td>WHO Global Digital Health Certification Network (GDHCN) Trust List. Major release v2</td></tr></table></div>"
      },
      "url" : "http://smart.who.int/trust/CodeSystem/PayloadTypes",
      "version" : "1.5.0",
      "name" : "PayloadTypes",
      "title" : "WHO GDHCN Payload Types",
      "status" : "active",
      "experimental" : true,
      "date" : "2026-04-27T07:07:17+00:00",
      "publisher" : "WHO",
      "contact" : [
        {
          "name" : "WHO",
          "telecom" : [
            {
              "system" : "url",
              "value" : "http://who.int"
            }
          ]
        }
      ],
      "description" : "CodeSystem for GDHCN Payload types",
      "jurisdiction" : [
        {
          "coding" : [
            {
              "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
              "code" : "001"
            }
          ]
        }
      ],
      "caseSensitive" : false,
      "content" : "complete",
      "count" : 1,
      "concept" : [
        {
          "code" : "urn:who:trust:trustlist:v2",
          "display" : "WHO GDHCN Trust List v2",
          "definition" : "WHO Global Digital Health Certification Network (GDHCN) Trust List. Major release v2"
        }
      ]
    }