curl --request GET \
  --url https://api.hayinsights.com/openapi/v1/commodities/featured \
  --header 'X-API-Key: <api-key>'

{
  "success": true,
  "statusCode": 200,
  "data": [
    {
      "id": "gold",
      "name": "Gold",
      "unit": "USD/oz",
      "lastClose": 4189.22,
      "currency": "USD",
      "change1dPct": 0.02,
      "changeValue": 0.77,
      "trendline": [
        4258.86,
        4188.45,
        4189.22
      ]
    },
    {
      "id": "wti-crude",
      "name": "WTI Crude Oil",
      "unit": "USD/bbl",
      "lastClose": 76.55,
      "currency": "USD",
      "change1dPct": -0.33,
      "changeValue": -0.25,
      "trendline": [
        76.6,
        76.8,
        76.55
      ]
    }
  ],
  "meta": {
    "timestamp": "2026-06-19T08:50:00.811Z"
  }
}