ReCaptchaV2: solving reCAPTCHA v2

#pip install --upgrade capsolver
#export CAPSOLVER_API_KEY='...'
 
import capsolver
# capsolver.api_key = "..."
solution = capsolver.solve({
            "type": "ReCaptchaV2TaskProxyLess",
            "websiteURL": "https://www.google.com/recaptcha/api2/demo",
            "websiteKey": "6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-",
          })

package main
 
import (
	"fmt"
	capsolver_go "github.com/capsolver/capsolver-go"
	"log"
)
 
func main() {
	// first you need to install sdk
	//go get github.com/capsolver/capsolver-go
 
	capSolver := capsolver_go.CapSolver{ApiKey: "..."}
	solution, err := capSolver.Solve(map[string]any{
		"type":       "ReCaptchaV2TaskProxyLess",
		"websiteURL": "https://www.google.com/recaptcha/api2/demo",
		"websiteKey": "6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-",
	})
	if err != nil {
		log.Fatal(err)
		return
	}
	fmt.Println(solution)
}
 

# pip install requests
import requests
import time
 
# TODO: set your config
api_key = "YOUR_API_KEY"  # your api key of capsolver
site_key = "6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-"  # site key of your target site
site_url = "https://www.google.com/recaptcha/api2/demo"  # page url of your target site
 
 
def capsolver():
    payload = {
        "clientKey": api_key,
        "task": {
            "type": 'ReCaptchaV2TaskProxyLess',
            "websiteKey": site_key,
            "websiteURL": site_url
        }
    }
    res = requests.post("https://api.capsolver.com/createTask", json=payload)
    resp = res.json()
    task_id = resp.get("taskId")
    if not task_id:
        print("Failed to create task:", res.text)
        return
    print(f"Got taskId: {task_id} / Getting result...")
 
    while True:
        time.sleep(3)  # delay
        payload = {"clientKey": api_key, "taskId": task_id}
        res = requests.post("https://api.capsolver.com/getTaskResult", json=payload)
        resp = res.json()
        status = resp.get("status")
        if status == "ready":
            return resp.get("solution", {}).get('gRecaptchaResponse')
        if status == "failed" or resp.get("errorId"):
            print("Solve failed! response:", res.text)
            return
 
 
token = capsolver()
print(token)

package main
 
import (
	"bytes"
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"io"
	"net/http"
	"time"
)
 
type capSolverResponse struct {
	ErrorId          int32          `json:"errorId"`
	ErrorCode        string         `json:"errorCode"`
	ErrorDescription string         `json:"errorDescription"`
	TaskId           string         `json:"taskId"`
	Status           string         `json:"status"`
	Solution         map[string]any `json:"solution"`
}
 
func capSolver(ctx context.Context, apiKey string, taskData map[string]any) (*capSolverResponse, error) {
	uri := "https://api.capsolver.com/createTask"
	res, err := request(ctx, uri, map[string]any{
		"clientKey": apiKey,
		"task":      taskData,
	})
	if err != nil {
		return nil, err
	}
	if res.ErrorId == 1 {
		return nil, errors.New(res.ErrorDescription)
	}
 
	uri = "https://api.capsolver.com/getTaskResult"
	for {
		select {
		case <-ctx.Done():
			return res, errors.New("solve timeout")
		case <-time.After(time.Second):
			break
		}
		res, err = request(ctx, uri, map[string]any{
			"clientKey": apiKey,
			"taskId":    res.TaskId,
		})
		if err != nil {
			return nil, err
		}
		if res.ErrorId == 1 {
			return nil, errors.New(res.ErrorDescription)
		}
		if res.Status == "ready" {
			return res, err
		}
	}
}
 
func request(ctx context.Context, uri string, payload interface{}) (*capSolverResponse, error) {
	payloadBytes, err := json.Marshal(payload)
	if err != nil {
		return nil, err
	}
	req, err := http.NewRequestWithContext(ctx, "POST", uri, bytes.NewReader(payloadBytes))
	if err != nil {
		return nil, err
	}
	req.Header.Set("Content-Type", "application/json")
	client := &http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	responseData, err := io.ReadAll(resp.Body)
	if err != nil {
		return nil, err
	}
	capResponse := &capSolverResponse{}
	err = json.Unmarshal(responseData, capResponse)
	if err != nil {
		return nil, err
	}
	return capResponse, nil
}
 
func main() {
	apikey := "YOUR_API_KEY"
	ctx, cancel := context.WithTimeout(context.Background(), time.Second*120)
	defer cancel()
 
	res, err := capSolver(ctx, apikey, map[string]any{
		"type":       "ReCaptchaV2TaskProxyLess",
		"websiteURL": "https://www.google.com/recaptcha/api2/demo",
		"websiteKey": "6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-",
	})
	if err != nil {
		panic(err)
	}
	fmt.Println(res.Solution["gRecaptchaResponse"])
}

// npm install axios
const axios = require('axios');
 
const api_key = "YOUR_API_KEY";
const site_key = "6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-";
const site_url = "https://www.google.com/recaptcha/api2/demo";
 
async function capsolver() {
  const payload = {
    clientKey: api_key,
    task: {
      type: 'ReCaptchaV2TaskProxyLess',
      websiteKey: site_key,
      websiteURL: site_url
    }
  };
 
  try {
    const res = await axios.post("https://api.capsolver.com/createTask", payload);
    const task_id = res.data.taskId;
    if (!task_id) {
      console.log("Failed to create task:", res.data);
      return;
    }
    console.log("Got taskId:", task_id);
 
    while (true) {
      await new Promise(resolve => setTimeout(resolve, 1000)); // Delay for 1 second
 
      const getResultPayload = {clientKey: api_key, taskId: task_id};
      const resp = await axios.post("https://api.capsolver.com/getTaskResult", getResultPayload);
      const status = resp.data.status;
 
      if (status === "ready") {
        return resp.data.solution.gRecaptchaResponse;
      }
      if (status === "failed" || resp.data.errorId) {
        console.log("Solve failed! response:", resp.data);
        return;
      }
    }
  } catch (error) {
    console.error("Error:", error);
  }
}
 
capsolver().then(token => {
  console.log(token);
});

package org.example.capsolver;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
 
 
public class ReCaptchaV2 {
    public static String API_KEY = "YOUR_API_KEY";
    public static String SITE_KEY = "6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-";
    public static String SITE_URL = "https://www.google.com/recaptcha/api2/demo";
 
    public static void capsolver() throws IOException, InterruptedException {
        JSONObject param = new JSONObject();
        Map<String, Object> task = new HashMap<>();
        task.put("type", "ReCaptchaV2TaskProxyLess");
        task.put("websiteKey", SITE_KEY);
        task.put("websiteURL", SITE_URL);
        param.put("clientKey", API_KEY);
        param.put("task", task);
        String taskId = createTask(param);
 
        if (Objects.equals(taskId, "")) {
            System.out.println("Failed to create task");
            return;
        }
        System.out.println("Got taskId: "+taskId+" / Getting result...");
        while (true){
            Thread.sleep(1000);
            String token = getTaskResult(taskId);
            if (Objects.equals(token, null)) {
                continue;
            }
            System.out.println(token);
            break;
        }
    }
 
    public static String requestPost(String url, JSONObject param) throws IOException {
        URL ipapi = new URL(url);
        HttpURLConnection c = (HttpURLConnection) ipapi.openConnection();
        c.setRequestMethod("POST");
        c.setDoOutput(true);
 
        OutputStream os = null;
        os = c.getOutputStream();
        os.write(param.toString().getBytes("UTF-8"));
 
        c.connect();
        BufferedReader reader = new BufferedReader(
            new InputStreamReader(c.getInputStream())
        );
        String line;
        StringBuilder sb = new StringBuilder();
        while ((line = reader.readLine()) != null)
        { sb.append(line); }
 
        return sb.toString();
    }
 
    public static String createTask(JSONObject param) throws IOException {
        String parsedJsonStr = requestPost("https://api.capsolver.com/createTask", param);
        JSONObject responseJson = new JSONObject(parsedJsonStr);
        return responseJson.get("taskId").toString();
    }
 
    public static String getTaskResult(String taskId) throws IOException {
        JSONObject param = new JSONObject();
        param.put("clientKey", API_KEY);
        param.put("taskId", taskId);
        String parsedJsonStr = requestPost("https://api.capsolver.com/getTaskResult", param);
        JSONObject responseJson = new JSONObject(parsedJsonStr);
 
        String status = responseJson.getString("status");
        if (status.equals("ready")) {
            JSONObject solution = responseJson.getJSONObject("solution");
            return solution.get("gRecaptchaResponse").toString();
        }
        if (status.equals("failed") || responseJson.getInt("errorId")!=0) {
            System.out.println("Solve failed! response: "+parsedJsonStr);
            return "error";
        }
        return null;
    }
}