curl --request GET \
  --url https://api.hypereth.io/v2/hyperliquid/getPosition \
  --header 'X-API-KEY: <api-key>'

{
  "positions": [
    {
      "symbol": "BTC",
      "positionSide": "LONG",
      "size": "0.01",
      "entryPrice": "65000.0",
      "markPrice": "65100.0",
      "unrealizedPnl": "1.0",
      "percentage": "0.15",
      "leverage": "10",
      "marginType": "cross"
    }
  ],
  "dataTime": 1710000000000
}