Демо reCAPTCHA V2 с callback

    // https://github.com/solvercaptcha/solvecaptcha-php
    
    require(__DIR__ . '/../src/autoloader.php');

    $solver = new \SolveCaptcha\SolveCaptcha('YOUR_API_KEY');

    try {
        $result = $solver->recaptcha([
            'sitekey' => '6LfD3PIbAAAAAJs_eEHvoOl75_83eXSqpPSRFJ_u',
            'url'     => 'https://solvecaptcha.com/demo/recaptcha-v2-callback',
        ]);
    } catch (\Exception $e) {
        die($e->getMessage());
    }

    die('Captcha solved: ' . $result->code);

    // https://github.com/solvercaptcha/solvecaptcha-python
    
    import sys
    import os

    sys.path.append(os.path.dirname(os.path.dirname(os.path.realpath(__file__))))

    from solvecaptcha import SolveCaptcha

    api_key = os.getenv('APIKEY_solvecaptcha', 'YOUR_API_KEY')

    solver = SolveCaptcha(api_key)

    try:
        result = solver.recaptcha(
        sitekey='6LfD3PIbAAAAAJs_eEHvoOl75_83eXSqpPSRFJ_u',
        url='https://solvecaptcha.com/demo/recaptcha-v2-callback')

    except Exception as e:
        sys.exit(e)

    else:
        sys.exit('solved: ' + str(result))

    // https://github.com/solvercaptcha/solvecaptcha-java
    
    package examples;

    import com.solvecaptcha.SolveCaptcha;
    import com.solvecaptcha.captcha.reCAPTCHA;

    public class reCAPTCHAV2Example {
    public static void main(String[] args) {
        SolveCaptcha solver = new SolveCaptcha("YOUR_API_KEY");
        ReCaptcha captcha = new ReCaptcha();
        captcha.setSiteKey("6LfD3PIbAAAAAJs_eEHvoOl75_83eXSqpPSRFJ_u");
        captcha.setUrl("https://solvecaptcha.com/demo/recaptcha-v2-callback");
        try {
            solver.solve(captcha);
            System.out.println("Captcha solved: " + captcha.getCode());
        } catch (Exception e) {
            System.out.println("Error occurred: " + e.getMessage());
        }
      }
    }

    // https://github.com/solvercaptcha/solvecaptcha-csharp
    
    using System;
    using System.Linq;
    using SolveCaptcha.Captcha;

    namespace SolveCaptcha.Examples
    {
        public class reCAPTCHAV2Example
        {
            public static void Main()
            {
                SolveCaptcha solver = new SolveCaptcha("YOUR_API_KEY");
                ReCaptcha captcha = new ReCaptcha();
                captcha.SetSiteKey("6LfD3PIbAAAAAJs_eEHvoOl75_83eXSqpPSRFJ_u");
                captcha.SetUrl("https://solvecaptcha.com/demo/recaptcha-v2-callback");
                try
                {
                    solver.Solve(captcha).Wait();
                    Console.WriteLine("Captcha solved: " + captcha.Code);
                }
                catch (AggregateException e)
                {
                    Console.WriteLine("Error occurred: " + e.InnerExceptions.First().Message);
                }
            }
        }
    }

    // https://github.com/solvercaptcha/solvecaptcha-go
    
    package main

    import (
        "fmt"
        "log"
        "github.com/solvecaptcha/solvecaptcha-go"
    )

    func main() {
        client := apisolvecaptcha.NewClient("API_KEY")  
        captcha := apisolvecaptcha.ReCaptcha{
            SiteKey: "6LfD3PIbAAAAAJs_eEHvoOl75_83eXSqpPSRFJ_u",
            Url: "https://solvecaptcha.com/demo/recaptcha-v2-callback",
        }
        code, err := client.Solve(captcha.ToRequest())
        if err != nil {
            log.Fatal(err);
        }
        fmt.Println("code "+code)
    }

    // https://github.com/solvercaptcha/solvecaptcha-cpp
    
    #include <cstdio>

    #include "curl_http.hpp"
    #include "apisolvecaptcha.hpp"

    int main (int ac, char ** av)
    {
    apisolvecaptcha::curl_http_t http;
    http.set_verbose (true);

    apisolvecaptcha::client_t client;
    client.set_http_client (&http);
    client.set_api_key (API_KEY);

    apisolvecaptcha::recaptcha_t cap;
    cap.set_site_key ("6LfD3PIbAAAAAJs_eEHvoOl75_83eXSqpPSRFJ_u");
    cap.set_url ("https://solvecaptcha.com/demo/recaptcha-v2-callback");

    try
    {
        client.solve (cap);
        printf ("code '%s'\n", cap.code ().c_str ());
    }
    catch (std::exception & e)
    {
        fprintf (stderr, "Failed: %s\n", e.what ());
    }

    return 0;   
    }

    // https://github.com/solvercaptcha/solvecaptcha-ruby
    
    require 'api_solvecaptcha'

    client =  ApiSolveCaptcha.new("YOUR_API_KEY")

    result = client.recaptcha_v2({
      googlekey: '6Le-wvkSVVABCPBMRTvw0Q4Muexq1bi0DJwx_mJ-',
      pageurl: 'https://mysite.com/page/with/recaptcha_v2'
    })