curl --request GET \
  --url https://api.{tenant}.getomneo.com/api/v3/questionnaires/{questionnaire}/questions/{question}

{
  "data": {
    "id": 123,
    "questionnaire_question_id": 123,
    "questionnaire_id": "<string>",
    "questionnaire_page_id": 123,
    "question_id": 123,
    "question_version_id": 123,
    "mapping_key": "<string>",
    "sort_order": 123,
    "is_required": true,
    "visibility_condition": [
      "<unknown>"
    ],
    "visibility_dependencies": [
      "<unknown>"
    ],
    "is_active": true,
    "question": {
      "id": "<string>",
      "handle": "<string>",
      "name": "<string>",
      "link_type": "<string>",
      "link_target": "<string>",
      "link_write_policy": "<string>"
    },
    "version": {
      "id": "<string>",
      "version": "<string>",
      "label": "<string>",
      "description": "<string>",
      "help_text": "<string>",
      "icon": "<string>",
      "image_url": "<string>",
      "type": "<string>",
      "options": "<string>",
      "validation": "<string>",
      "default_value": "<string>"
    },
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}