curl --request GET \
  --url https://perp-api.phoenix.trade/v1/funding/overview \
  --header 'Authorization: Bearer <token>'

{
  "series": [
    {
      "marketId": 123,
      "points": [
        {
          "fundingAmountPerUnit": "<string>",
          "fundingRate": "<string>",
          "markPrice": "<string>",
          "timestamp": "2023-11-07T05:31:56Z"
        }
      ],
      "symbol": "<string>"
    }
  ]
}