curl --request GET \
  --url https://api.perpo.trade/v1/public/funding_rates

{
  "success": true,
  "data": {
    "rows": [
      {
        "symbol": "PERP_ETH_USDC",
        "est_funding_rate": 0,
        "est_funding_rate_timestamp": 1683880020000,
        "last_funding_rate": 0.0001,
        "last_funding_rate_timestamp": 1683878400000,
        "next_funding_time": 1683907200000,
        "sum_unitary_funding": 521.367
      }
    ]
  },
  "timestamp": 1702989203989
}