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

import requests

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

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://api.fastforex.io/historical?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/historical?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/historical?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/historical?api_key=")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fastforex.io/historical?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

{
  "date": "2021-01-16",
  "base": "USD",
  "results": {
    "AED": 3.67297,
    "AFN": 77.11468,
    "ALL": 101.78125,
    "AMD": 523.67143,
    "ANG": 1.78691,
    "AOA": 653.45356,
    "ARS": 85.74709,
    "AUD": 1.29806,
    "AWG": 1.79943,
    "AZN": 1.70727,
    "BAM": 1.62182,
    "BBD": 1.99941,
    "BDT": 84.84175,
    "BGN": 1.61063,
    "BHD": 0.37612,
    "BIF": 1943.32401,
    "BMD": 0.99926,
    "BND": 1.32953,
    "BOB": 6.88532,
    "BRL": 5.29479,
    "BSD": 1.00177,
    "BTN": 73.22317,
    "BWP": 10.98351,
    "BZD": 2.01472,
    "CAD": 1.27357,
    "CDF": 1977.04254,
    "CHF": 0.8912,
    "CLF": 0.02491,
    "CLP": 734.84469,
    "CNH": 6.47453,
    "CNY": 6.48079,
    "COP": 3461.79891,
    "CUP": 24.99558,
    "CVE": 90.9024,
    "CZK": 21.65759,
    "DJF": 177.94053,
    "DKK": 6.15612,
    "DOP": 58.27175,
    "DZD": 133.63021,
    "EGP": 15.64449,
    "ERN": 15.1347,
    "ETB": 39.35227,
    "EUR": 0.82791,
    "FJD": 2.05329,
    "FKP": 0.73605,
    "GBP": 0.73605,
    "GEL": 3.30208,
    "GHS": 5.78235,
    "GIP": 0.73605,
    "GMD": 51.76064,
    "GNF": 10080.74488,
    "GTQ": 7.78301,
    "GYD": 210.42985,
    "HKD": 7.75357,
    "HNL": 24.12042,
    "HRK": 6.19682,
    "HTG": 75.90461,
    "HUF": 298.21139,
    "IDR": 14054.17341,
    "ILS": 3.2719,
    "INR": 73.16164,
    "IQD": 1458.41307,
    "IRR": 42031.79744,
    "ISK": 129.4936,
    "JMD": 144.24702,
    "JOD": 0.70779,
    "JPY": 103.87016,
    "KES": 109.70116,
    "KGS": 75.50493,
    "KHR": 4047.84337,
    "KMF": 406.08715,
    "KPW": 900.13249,
    "KRW": 1102.13455,
    "KWD": 0.30318,
    "KYD": 0.81923,
    "KZT": 418.85765,
    "LAK": 9308.2585,
    "LBP": 1509.38466,
    "LKR": 194.62682,
    "LRD": 167.93022,
    "LSL": 15.21787,
    "LYD": 4.45341,
    "MAD": 8.91064,
    "MDL": 17.18902,
    "MGA": 3762.10805,
    "MKD": 51.00986,
    "MMK": 1331.8784,
    "MNT": 2853.84955,
    "MOP": 8.01634,
    "MRU": 36.41764,
    "MUR": 39.84837,
    "MVR": 15.66392,
    "MWK": 773.70087,
    "MXN": 19.79604,
    "MYR": 4.03732,
    "MZN": 74.77698,
    "NAD": 15.18769,
    "NGN": 380.3327,
    "NOK": 8.56904,
    "NPR": 117.3193,
    "NZD": 1.40232,
    "OMR": 0.38422,
    "PAB": 0.99926,
    "PEN": 3.60165,
    "PGK": 3.52819,
    "PHP": 48.06492,
    "PKR": 160.16046,
    "PLN": 3.7535,
    "PYG": 6890.343,
    "QAR": 3.64022,
    "RON": 4.02672,
    "RSD": 96.9947,
    "RUB": 73.59569,
    "RWF": 972.40542,
    "SAR": 3.74834,
    "SCR": 21.7415,
    "SDG": 55.12079,
    "SEK": 8.39445,
    "SGD": 1.33084,
    "SHP": 0.73605,
    "SLL": 10117.25305,
    "SOS": 585.66171,
    "SRD": 14.0817,
    "SYP": 1257.58133,
    "SZL": 15.23848,
    "THB": 30.10158,
    "TJS": 11.37737,
    "TMT": 3.49448,
    "TND": 2.7086,
    "TOP": 2.27536,
    "TRY": 7.45083,
    "TTD": 6.74407,
    "TWD": 28.03621,
    "TZS": 2317.83454,
    "UAH": 28.17938,
    "UGX": 3704.99043,
    "USD": 1,
    "UYU": 42.4356,
    "UZS": 10493.30193,
    "VND": 23216.10481,
    "VUV": 107.05138,
    "WST": 2.54085,
    "XAF": 542.97807,
    "XCD": 2.69954,
    "XDR": 0.69699,
    "XOF": 542.97807,
    "XPF": 98.70455,
    "YER": 246.27558,
    "ZAR": 15.20595,
    "ZMW": 21.37472
  },
  "ms": 13
}