{
  "data": [
    {
      "type": "custom_fields",
      "id": "01k5examplecust0mf1eld0001",
      "attributes": {
        "identifier": "bike_model",
        "label": "Bike model",
        "response_type": "short_text",
        "options": [],
        "required": false,
        "position": 1,
        "placeholder_text": null,
        "helper_text": null,
        "created_at": "2026-08-20T14:00:00Z",
        "updated_at": "2026-08-20T14:00:00Z"
      }
    },
    {
      "type": "custom_fields",
      "id": "01k5examplecust0mf1eld0002",
      "attributes": {
        "identifier": "accessories",
        "label": "Accessories",
        "response_type": "multiple_select",
        "options": [
          "Rain cover",
          "Child seats",
          "Front rack"
        ],
        "required": false,
        "position": 2,
        "placeholder_text": null,
        "helper_text": "Everything fitted to the bike",
        "created_at": "2026-08-20T14:00:00Z",
        "updated_at": "2026-08-20T14:00:00Z"
      }
    }
  ]
}