Демо MTCaptcha

import time
import requests

API = "http://127.0.0.1:8080"   # the CapSkip app on your machine
KEY = "YOUR_API_KEY"

# 1. Submit the MTCaptcha shown on this page
task = requests.post(f"{API}/in.php", data={
    "key": KEY,
    "method": "mt_captcha",
    "sitekey": "MTPublic-C8YHBQqYE",
    "pageurl": "https://capskip.com/ru/captcha-demo/mtcaptcha/",
    "json": 1,
}).json()["request"]

# 2. Poll until the token is ready
while True:
    time.sleep(3)
    res = requests.get(f"{API}/res.php", params={
        "key": KEY, "action": "get", "id": task, "json": 1,
    }).json()
    if res["request"] != "CAPCHA_NOT_READY":
        break

token = res["request"]   # the v1(...) verified token
print(token)

const API = 'http://127.0.0.1:8080'; // the CapSkip app on your machine
const KEY = 'YOUR_API_KEY';
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));

(async () => {
  // 1. Submit the MTCaptcha shown on this page
  const submit = await fetch(`${API}/in.php`, {
    method: 'POST',
    body: new URLSearchParams({
      key: KEY,
      method: 'mt_captcha',
      sitekey: 'MTPublic-C8YHBQqYE',
      pageurl: 'https://capskip.com/ru/captcha-demo/mtcaptcha/',
      json: '1',
    }),
  }).then((r) => r.json());

  // 2. Poll until the token is ready
  let res;
  do {
    await sleep(3000);
    res = await fetch(`${API}/res.php?key=${KEY}&action=get&id=${submit.request}&json=1`)
      .then((r) => r.json());
  } while (res.request === 'CAPCHA_NOT_READY');

  const token = res.request; // the v1(...) verified token
  console.log(token);
})();

<?php
$api = 'http://127.0.0.1:8080'; // the CapSkip app on your machine
$key = 'YOUR_API_KEY';

// 1. Submit the MTCaptcha shown on this page
$ch = curl_init("$api/in.php");
curl_setopt_array($ch, [
    CURLOPT_POST           => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POSTFIELDS     => http_build_query([
        'key'     => $key,
        'method'  => 'mt_captcha',
        'sitekey' => 'MTPublic-C8YHBQqYE',
        'pageurl' => 'https://capskip.com/ru/captcha-demo/mtcaptcha/',
        'json'    => 1,
    ]),
]);
$task = json_decode(curl_exec($ch), true)['request'];

// 2. Poll until the token is ready
do {
    sleep(3);
    $res = json_decode(file_get_contents(
        "$api/res.php?key=$key&action=get&id=$task&json=1"
    ), true);
} while ($res['request'] === 'CAPCHA_NOT_READY');

$token = $res['request']; // the v1(...) verified token
echo $token;

using System.Text.Json;

const string Api = "http://127.0.0.1:8080"; // the CapSkip app on your machine
const string Key = "YOUR_API_KEY";
var http = new HttpClient();

// 1. Submit the MTCaptcha shown on this page
var submit = await http.PostAsync($"{Api}/in.php", new FormUrlEncodedContent(new Dictionary<string, string>
{
    ["key"] = Key,
    ["method"] = "mt_captcha",
    ["sitekey"] = "MTPublic-C8YHBQqYE",
    ["pageurl"] = "https://capskip.com/ru/captcha-demo/mtcaptcha/",
    ["json"] = "1",
}));
string task = JsonDocument.Parse(await submit.Content.ReadAsStringAsync())
    .RootElement.GetProperty("request").GetString()!;

// 2. Poll until the token is ready
string token;
do
{
    await Task.Delay(3000);
    var res = JsonDocument.Parse(await http.GetStringAsync(
        $"{Api}/res.php?key={Key}&action=get&id={task}&json=1"));
    token = res.RootElement.GetProperty("request").GetString()!;
} while (token == "CAPCHA_NOT_READY");

Console.WriteLine(token); // the v1(...) verified token