curl -X GET "https://api.cryptoquant.com/v2/market/capitalization?asset=eth&window=day" \
-H "Authorization: Bearer <YOUR_API_KEY>"

fetch("https://api.cryptoquant.com/v2/market/capitalization?asset=eth&window=day", { headers: { "Authorization": "Bearer <YOUR_API_KEY>"} })
  .then(response => response.json())
  .then(data => console.log(data))

require('axios')
  .get("https://api.cryptoquant.com/v2/market/capitalization?asset=eth&window=day", { headers: { Authorization: 'Bearer <YOUR_API_KEY>' } })
  .then(response => console.log(response))

require 'net/http'
uri = URI("https://api.cryptoquant.com/v2/market/capitalization?asset=eth&window=day")
req = Net::HTTP::Get.new(uri)
req["Authorization"] = "Bearer <YOUR_API_KEY>"
res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(req) }
puts res.body

import requests
headers = {'Authorization': 'Bearer <YOUR_API_KEY>'}
url = "https://api.cryptoquant.com/v2/market/capitalization?asset=eth&window=day"
print(requests.get(url, headers=headers).json())

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.cryptoquant.com/v2/market/capitalization",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($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.cryptoquant.com/v2/market/capitalization"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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.cryptoquant.com/v2/market/capitalization")
  .header("Authorization", "Bearer <token>")
  .asString();

{
  "status": {
    "code": 123,
    "message": "<string>"
  },
  "result": {
    "window": "<string>",
    "data": [
      {
        "datetime": "<string>",
        "blockheight": 123,
        "market_cap": 123,
        "realized_cap": 123,
        "average_cap": 123,
        "delta_cap": 123,
        "thermo_cap": 123
      }
    ]
  }
}