curl --request GET \
  --url 'https://api.fastforex.io/metals/instruments?api_key='

import requests

url = "https://api.fastforex.io/metals/instruments?api_key="

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://api.fastforex.io/metals/instruments?api_key=', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.fastforex.io/metals/instruments?api_key=",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.fastforex.io/metals/instruments?api_key="

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

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.fastforex.io/metals/instruments?api_key=")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fastforex.io/metals/instruments?api_key=")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)

response = http.request(request)
puts response.read_body

{
  "instruments": {
    "XAUAUD": {
      "symbol": "XAUAUD",
      "alt": "XAU/AUD",
      "metal": "XAU",
      "name": "Gold",
      "category": "precious_metal",
      "target": "AUD",
      "target_name": "Australian Dollar",
      "unit": "oz_t",
      "unit_name": "Troy Ounce",
      "type": "spot",
      "purity": "1000"
    },
    "XCUUSD": {
      "symbol": "XCUUSD",
      "alt": "XCU/USD",
      "metal": "XCU",
      "name": "Copper",
      "category": "base_metal",
      "grade": "grade_a",
      "grade_name": "Grade A",
      "grade_min_purity_pct": 99.9935,
      "target": "USD",
      "target_name": "United States Dollar",
      "unit": "metric_tonne",
      "unit_name": "Metric Tonne",
      "type": "spot"
    },
    "XAGXAU": {
      "symbol": "XAGXAU",
      "alt": "XAG/XAU",
      "metal": "XAG",
      "name": "Silver",
      "category": "precious_metal",
      "target": "XAU",
      "target_name": "Gold",
      "type": "ratio"
    }
  },
  "source": "otc_aggregate",
  "ms": 12
}