curl --request GET \
  --url https://futures.kraken.com/derivatives/api/v3/feeschedules

import requests

url = "https://futures.kraken.com/derivatives/api/v3/feeschedules"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://futures.kraken.com/derivatives/api/v3/feeschedules', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://futures.kraken.com/derivatives/api/v3/feeschedules"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

{
  "result": "success",
  "serverTime": "2022-03-31T20:38:53.677Z",
  "feeSchedules": [
    {
      "uid": "7fc4d7c0-464f-4029-a9bb-55856d0c5247",
      "name": "PGTMainFees",
      "tiers": [
        {
          "makerFee": 0.02,
          "takerFee": 0.05,
          "usdVolume": 0
        },
        {
          "makerFee": 0.015,
          "takerFee": 0.04,
          "usdVolume": 100000
        },
        {
          "makerFee": 0.0125,
          "takerFee": 0.03,
          "usdVolume": 1000000
        },
        {
          "makerFee": 0.01,
          "takerFee": 0.025,
          "usdVolume": 5000000
        },
        {
          "makerFee": 0.0075,
          "takerFee": 0.02,
          "usdVolume": 10000000
        },
        {
          "makerFee": 0.005,
          "takerFee": 0.015,
          "usdVolume": 20000000
        },
        {
          "makerFee": 0.0025,
          "takerFee": 0.0125,
          "usdVolume": 50000000
        },
        {
          "makerFee": 0,
          "takerFee": 0.01,
          "usdVolume": 100000000
        }
      ]
    },
    {
      "uid": "d46c2190-81e3-4370-a333-424f24387829",
      "name": "mainfees",
      "tiers": [
        {
          "makerFee": 0.02,
          "takerFee": 0.05,
          "usdVolume": 0
        },
        {
          "makerFee": 0.015,
          "takerFee": 0.04,
          "usdVolume": 100000
        },
        {
          "makerFee": 0.0125,
          "takerFee": 0.03,
          "usdVolume": 1000000
        },
        {
          "makerFee": 0.01,
          "takerFee": 0.025,
          "usdVolume": 5000000
        },
        {
          "makerFee": 0.0075,
          "takerFee": 0.02,
          "usdVolume": 10000000
        },
        {
          "makerFee": 0.005,
          "takerFee": 0.015,
          "usdVolume": 20000000
        },
        {
          "makerFee": 0.0025,
          "takerFee": 0.0125,
          "usdVolume": 50000000
        },
        {
          "makerFee": 0,
          "takerFee": 0.01,
          "usdVolume": 100000000
        }
      ]
    }
  ]
}