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

{
  "success": true,
  "statusCode": 200,
  "data": {
    "totalMarketCap": 2156391783530.09,
    "coins": [
      {
        "symbol": "BTC",
        "name": "Bitcoin",
        "dominancePercentage": 58.18,
        "marketCap": 1254560380643.96
      },
      {
        "symbol": "ETH",
        "name": "Ethereum",
        "dominancePercentage": 9.47,
        "marketCap": 204246767811.64
      },
      {
        "symbol": "USDT",
        "name": "Tether USDt",
        "dominancePercentage": 8.64,
        "marketCap": 186279683262.83
      }
    ],
    "asOf": {
      "globalMetrics": "2026-06-19T08:45:00.000Z",
      "assets": "2026-06-19T08:45:00.040Z",
      "skewSeconds": 0,
      "isStale": false
    }
  },
  "meta": {
    "timestamp": "2026-06-19T08:50:01.048Z"
  }
}