Funds (futures)

curl -X GET "https://trade.mudrex.com/fapi/v1/futures/funds" \
  -H "Content-Type: application/json" \
  -H "X-Authentication: your-secret-key"

{
    "success": true,
    "data": {
        "balance": "12.6787",
        "locked_amount": "1.6979",
        "first_time_user": false
    }
}