curl --request GET \
  --url https://api.messari.io/metrics/v1/exchanges/{exchangeIdentifier} \
  --header 'X-Messari-API-Key: <api-key>'

import requests

url = "https://api.messari.io/metrics/v1/exchanges/{exchangeIdentifier}"

headers = {"X-Messari-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-Messari-API-Key': '<api-key>'}};

fetch('https://api.messari.io/metrics/v1/exchanges/{exchangeIdentifier}', 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.messari.io/metrics/v1/exchanges/{exchangeIdentifier}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-Messari-API-Key: <api-key>"
  ],
]);

$response = curl_exec($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.messari.io/metrics/v1/exchanges/{exchangeIdentifier}"

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

	req.Header.Add("X-Messari-API-Key", "<api-key>")

	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.messari.io/metrics/v1/exchanges/{exchangeIdentifier}")
  .header("X-Messari-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.messari.io/metrics/v1/exchanges/{exchangeIdentifier}")

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

request = Net::HTTP::Get.new(url)
request["X-Messari-API-Key"] = '<api-key>'

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

{
  "error": null,
  "data": {
    "id": "d8b0ea44-1963-451e-ac37-aead4ba3b4c7",
    "name": "Binance",
    "slug": "binance",
    "type": "centralized",
    "yearEstablished": 2017,
    "region": "Americas",
    "country": "Cayman Islands",
    "typeRank30D": 1,
    "globalRank30D": 1,
    "relatedExchangeIDs": [
      "86f92f67-7968-4c8d-8cb6-a5b1c80ef185",
      "eabe49f0-c1a3-4166-b773-780fe809ac93",
      "b196e8a3-34cc-40bd-a6cb-bb8283958021",
      "86f92f67-7968-4c8d-8cb6-a5b1c80ef185",
      "174e0471-1033-4e12-97d5-9f234ed21142"
    ],
    "metrics": {
      "volume24Hour": 22972526466.775723,
      "trades24Hour": 63566819,
      "assetsCount": 613,
      "marketsCount": 3036
    }
  }
}

{
  "data": "<unknown>",
  "error": "<string>"
}

{
  "data": "<unknown>",
  "error": "<string>"
}

{
  "data": "<unknown>",
  "error": "<string>"
}