Использование Selenium и C# для автоматизации вызовов CAPTCHA

Install-Package Selenium.WebDriver

using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;
using System;
using System.Collections.Generic;

namespace WebScrapingExample
{
    class Program
    {
        static void Main(string[] args)
        {
            IWebDriver driver = new ChromeDriver();
            driver.Navigate().GoToUrl("https://www.scrapethissite.com/pages/simple/");

            var countries = driver.FindElements(By.CssSelector(".country"));
            List<string> countryData = new List<string>();

            foreach (var country in countries)
            {
                var name = country.FindElement(By.CssSelector(".country-name")).Text;
                var capital = country.FindElement(By.CssSelector(".country-capital")).Text;
                var population = country.FindElement(By.CssSelector(".country-population")).Text;
                var area = country.FindElement(By.CssSelector(".country-area")).Text;

                countryData.Add($"Name: {name}, Capital: {capital}, Population: {population}, Area: {area}");
            }

            foreach (var data in countryData)
            {
                Console.WriteLine(data);
            }

            driver.Quit();
        }
    }
}

using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;
using System;
using System.Net.Http;
using System.Threading.Tasks;
using Newtonsoft.Json.Linq;

namespace SolveCaptchaExample
{
    class Program
    {
        static async Task Main(string[] args)
        {
            IWebDriver driver = new ChromeDriver();
            driver.Navigate().GoToUrl("https://www.google.com/recaptcha/api2/demo");

            var siteKey = driver.FindElement(By.CssSelector("div.g-recaptcha")).GetAttribute("data-sitekey");
            var pageUrl = driver.Url;

            var captchaResponse = await SolveCaptcha(siteKey, pageUrl, "ваш apiKey");
            await Console.Out.WriteLineAsync(captchaResponse);


            IWebElement recaptchaResponseElement = driver.FindElement(By.Id("g-recaptcha-response"));
            ((IJavaScriptExecutor)driver).ExecuteScript($"arguments[0].value = '{captchaResponse}';", recaptchaResponseElement);

            IWebElement submitButton = driver.FindElement(By.CssSelector("#recaptcha-demo-submit"));
            submitButton.Click();
        }

        static async Task<string> SolveCaptcha(string siteKey, string pageUrl, string apikey)
        {
            var client = new HttpClient();
            var content = new StringContent($"{{\"clientKey\": \"{apikey}\", \"task\": {{\"type\": \"RecaptchaV2TaskProxyless\", \"websiteURL\": \"{pageUrl}\", \"websiteKey\": \"{siteKey}\"}}}}", System.Text.Encoding.UTF8, "application/json");
            var response = await client.PostAsync("https://api.capsolver.com/createTask", content);
            var jsonResponse = await response.Content.ReadAsStringAsync();
            var taskId = JObject.Parse(jsonResponse)["taskId"].ToString();

            string captchaSolution = "";
            while (captchaSolution == "" || captchaSolution.Contains("processing"))
            {
                await Task.Delay(5000);
                var content2 = new StringContent($"{{\"clientKey\": \"{apikey}\", \"taskId\": \"{taskId}\"}}", System.Text.Encoding.UTF8, "application/json");
                var response2 = await client.PostAsync("https://api.capsolver.com/getTaskResult", content2);
                var jsonResponse3 = await response2.Content.ReadAsStringAsync();
                captchaSolution = JObject.Parse(jsonResponse3)["solution"]["gRecaptchaResponse"].ToString();
            }

            return captchaSolution;
        }
    }
}