curl --request GET \
  --url https://api.leen.dev/v1/itsm/passthrough/projects \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-CONNECTION-ID: <api-key>'

{
  "count": 123,
  "items": [
    {
      "vendor_id": "<string>",
      "name": "<string>",
      "project_type": "<string>",
      "issue_types": [
        {
          "vendor_id": "<string>",
          "name": "<string>",
          "description": "<string>",
          "subtask": false,
          "icon_url": "<string>"
        }
      ]
    }
  ],
  "total": 123
}