fetch("https://sylvatica.my.id/api/SOME_ENDPOINT?apikey=YOUR_API_KEY")
  .then(response => response.json())
  .then(data => console.log(data));

import requests

url = "https://sylvatica.my.id/api/SOME_ENDPOINT"
params = {"apikey": "YOUR_API_KEY"}

response = requests.get(url, params=params)
print(response.json())

package main

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

func main() {
	url := "https://sylvatica.my.id/api/SOME_ENDPOINT?apikey=YOUR_API_KEY"
	resp, _ := http.Get(url)
	defer resp.Body.Close()
	body, _ := ioutil.ReadAll(resp.Body)
	fmt.Println(string(body))
}