const options = {method: 'GET'};

fetch('https://api.example.com/v1/regions/{region}/compute/firewalls', 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://api.example.com/v1/regions/{region}/compute/firewalls"

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

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

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

	fmt.Println(string(body))

}

curl --request GET \
  --url https://api.example.com/v1/regions/{region}/compute/firewalls

import requests

url = "https://api.example.com/v1/regions/{region}/compute/firewalls"

response = requests.get(url)

print(response.text)

{
  "success": true,
  "data": [
    {
      "id": "<string>",
      "name": "<string>",
      "rules": [
        {
          "priority": 123,
          "direction": "ingress",
          "action": "allow",
          "protocol": "TCP",
          "source": "<string>",
          "destination": "<string>",
          "ports": "<string>"
        }
      ],
      "status": "active",
      "networkId": "<string>",
      "createdAt": "2023-11-07T05:31:56Z"
    }
  ]
}