$ curl -x "http://username:pw;;@proxy.soax.com:9000" -L http://checker.soax.com/api/ipinfo
                  

                      import requests as req

proxy = {
    "http": "http://username:pw;;@proxy.soax.com:9000",
    "https": "https://username:pw;;@proxy.soax.com:9000"
}

resp = req.get("http://checker.soax.com/api/ipinfo",proxies=proxy)

print(resp.text)
                  

                      <?php
$auth = base64_encode('username:pw;;');
$aContext = array(
    'http' => array(
        'proxy'           => 'tcp://proxy.soax.com:9000',
        'request_fulluri' => true,
        'header'          => "Proxy-Authorization: Basic $auth",
    ),
);
$cxContext = stream_context_create($aContext);
$sFile = file_get_contents("http://checker.soax.com/api/ipinfo", False, $cxContext);
echo $sFile, "
";
?>
                  

                      using Rebex.Net;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Rebex.Licensing.Key = "ENTER YOUR LICENSING KEY HERE";

            var client = new Rebex.Net.HttpRequestCreator();
            
            client.Proxy.ProxyType = ProxyType.Socks5;
            client.Proxy.Host = "proxy.soax.com";
            client.Proxy.Port = 9000;
            client.Proxy.UserName = "username";
            client.Proxy.Password = "pw;;;;";

            var url = "http://checker.soax.com/api/ipinfo";

            var httpRequest = client.Create(url);
            httpRequest.Headers["Accept"] = "text/html, application/xhtml+xml, image/jxr, */*";
            httpRequest.Headers["Accept-Language"] = "en-US,en;q=0.7,ru;q=0.3";
            httpRequest.Headers["Accept-Encoding"] = "gzip, deflate";
            httpRequest.Headers["Host"] = url;
            httpRequest.Headers["Connection"] = "Keep-Alive";
            httpRequest.Timeout = 30000;
            
            try
            {
                var response = httpRequest.GetResponse() as Rebex.Net.HttpResponse;

                using (StreamReader sr = new StreamReader(response.GetResponseStream()))
                {
                    var content = sr.ReadToEnd();
                    Console.WriteLine("Url: " + url + " 
" + "Content length: " + content.Length + "
" + "Response: 
" + content);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Url " + url + " is failed. 
" + e.Message);
            }
            Console.ReadKey();
        }
    }
}