curl --request GET \
  --url https://api.example.com/settings \
  --header 'X-API-Key: <api-key>'

[
  {
    "key": "<string>",
    "name": "<string>",
    "category": {
      "key": "<string>",
      "label": "<string>"
    },
    "type": "<string>",
    "is_optional": true,
    "has_override": true,
    "current": null,
    "original": null,
    "read_only": false,
    "choices": [
      {
        "value": "<unknown>",
        "label": "<string>",
        "description": "<string>"
      }
    ]
  }
]