var client = new RestClient("https://YOUR_DOMAIN/api/v2/users/USER_ID");
var request = new RestRequest(Method.GET);
request.AddHeader("authorization", "Bearer YOUR_MGMT_API_ACCESS_TOKEN");
IRestResponse response = client.Execute(request);

package main

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

func main() {

	url := "https://YOUR_DOMAIN/api/v2/users/USER_ID"

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

	req.Header.Add("authorization", "Bearer YOUR_MGMT_API_ACCESS_TOKEN")

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

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

	fmt.Println(res)
	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://YOUR_DOMAIN/api/v2/users/USER_ID")
  .header("authorization", "Bearer YOUR_MGMT_API_ACCESS_TOKEN")
  .asString();

var axios = require("axios").default;

var options = {
  method: 'GET',
  url: 'https://YOUR_DOMAIN/api/v2/users/USER_ID',
  headers: {authorization: 'Bearer YOUR_MGMT_API_ACCESS_TOKEN'}
};

axios.request(options).then(function (response) {
  console.log(response.data);
}).catch(function (error) {
  console.error(error);
});

#import <Foundation/Foundation.h>

NSDictionary *headers = @{ @"authorization": @"Bearer YOUR_MGMT_API_ACCESS_TOKEN" };

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"https://YOUR_DOMAIN/api/v2/users/USER_ID"]
                                                       cachePolicy:NSURLRequestUseProtocolCachePolicy
                                                   timeoutInterval:10.0];
[request setHTTPMethod:@"GET"];
[request setAllHTTPHeaderFields:headers];

NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *dataTask = [session dataTaskWithRequest:request
                                            completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
                                                if (error) {
                                                    NSLog(@"%@", error);
                                                } else {
                                                    NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *) response;
                                                    NSLog(@"%@", httpResponse);
                                                }
                                            }];
[dataTask resume];

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://YOUR_DOMAIN/api/v2/users/USER_ID",
  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 YOUR_MGMT_API_ACCESS_TOKEN"
  ],
]);

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

curl_close($curl);

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

import http.client

conn = http.client.HTTPSConnection("")

headers = { 'authorization': "Bearer YOUR_MGMT_API_ACCESS_TOKEN" }

conn.request("GET", "/YOUR_DOMAIN/api/v2/users/USER_ID", headers=headers)

res = conn.getresponse()
data = res.read()

print(data.decode("utf-8"))

require 'uri'
require 'net/http'
require 'openssl'

url = URI("https://YOUR_DOMAIN/api/v2/users/USER_ID")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE

request = Net::HTTP::Get.new(url)
request["authorization"] = 'Bearer YOUR_MGMT_API_ACCESS_TOKEN'

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

import Foundation

let headers = ["authorization": "Bearer YOUR_MGMT_API_ACCESS_TOKEN"]

let request = NSMutableURLRequest(url: NSURL(string: "https://YOUR_DOMAIN/api/v2/users/USER_ID")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()