curl --request GET \
  --url https://api.0xarchive.io/v1/hyperliquid/hip3/instruments/{symbol} \
  --header 'X-API-Key: <api-key>'

{
  "success": true,
  "data": {
    "symbol": "km:US500",
    "coin": "km:US500",
    "namespace": "km",
    "ticker": "US500",
    "mark_price": 5432.1,
    "open_interest": 1234567.89,
    "mid_price": 5432.05,
    "latest_timestamp": "2026-02-18T12:00:00.000Z"
  },
  "meta": {
    "count": 123,
    "next_cursor": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}