How to bypass reCAPTCHA v3

Introduction

reCAPTCHA v3 is not a classic image-based CAPTCHA but a scoring system that evaluates user behavior in the browser and returns a numeric value (score) ranging from 0.1 to 0.9. Unlike previous versions, it does not require explicit user interaction but imposes strict requirements on token quality.

In this guide, we will cover:

• How to identify reCAPTCHA v3 on a page
• Which parameters are required to submit a task
• How to properly configure minScore and action
• How to use the reporting system to improve solution quality
• Python and PHP code examples

Important: Solving reCAPTCHA v3 is a complex task because it imposes strict requirements on the score value. Success depends on a combination of factors: correct parameters, proxy quality, browser digital fingerprints, and session behavior.

How to Identify reCAPTCHA v3 on a page

Quick check via DevTools

1. Open Developer Console (F12 → Network tab)
2. Perform an action that triggers the CAPTCHA
3. Look for requests to google.com/recaptcha/api2/ or recaptcha.net/recaptcha/api2/
4. If there is a request to reload but no request to userverify — this is reCAPTCHA v3

Required parameters for solving

Main fields for RecaptchaV3TaskProxyless

How to find websiteKey and action

websiteKey:

1. Open the page with the CAPTCHA
2. Find the iframe with src="https://www.google.com/recaptcha/api2/anchor"
3. The sitekey is located in the k parameter of this URL

action (if used):

1. In the browser console, search for grecaptcha.execute
2. The value of the action parameter in the function call should be passed in your request

// Example call on the page
grecaptcha.execute('6LfB5_IbAAAA...', { action: 'login' });
// ↑ the value 'login' is the action

Step by Step Instructions: submitting a task via API

Step 1: Create a task

Endpoint: https://api.2captcha.com/createTask
Method: POST
Content-Type: application/json

{
  "clientKey": "YOUR_API_KEY",
  "task": {
    "type": "RecaptchaV3TaskProxyless",
    "websiteURL": "https://example.com/login",
    "websiteKey": "6LfB5_IbAAAAAMCtsjEHEHKqcB9iQocwwxTiihJu",
    "minScore": 0.9,
    "pageAction": "login",
    "isEnterprise": false
  }
}

Step 2: Receive taskId

The response will contain:

{
  "errorId": 0,
  "taskId": "1234567890"
}

Step 3: Poll for results

Endpoint: https://api.2captcha.com/getTaskResult

{
  "clientKey": "YOUR_API_KEY",
  "taskId": "1234567890"
}

Successful response:

{
  "errorId": 0,
  "status": "ready",
  "solution": {
    "gRecaptchaResponse": "03AGdBq269xwqd...5pZ_2DMHqUjg",
    "token": "03AGdBq269xwqd...5pZ_2DMHqUjg"
  }
}

Step 4: Using the token

Add the received token to the form field g-recaptcha-response or pass it to the corresponding parameter in your POST request to the target website.

Token lifespan: 120 seconds from generation. Use it immediately.

Critically important recommendations for score and action

Sensitivity to Score

reCAPTCHA v3 is highly sensitive to the score value. Even a token with a declared minScore: 0.9 may be rejected if the website applies additional verification checks.

What to do:

1. Send multiple requests with different minScore values:

   Copy

   Try sequentially: 0.3 → 0.7 → 0.9

2. Experiment with the action parameter:

   • Try adding action if it is not specified
   • Try removing action if it is present
   • Ensure the action value exactly matches what the website expects

3. Test on a demo page before integration:

   Copy

   https://rucaptcha.com/demo/recaptcha-v3

Important: Our workers solve a large number of CAPTCHAs daily, which may affect the quality of the obtained score. Some websites have extremely high requirements, and bypassing them may be technically impossible.

Reporting system: how to save money and improve Quality

Using the feedback system is a mandatory step for stable operation with reCAPTCHA v3. This allows you to:

• Improve recognition quality
• Receive refunds for unsuccessful solutions

When to send reportCorrect

The token was accepted by the target website (form submitted successfully, no CAPTCHA error)

Endpoint: https://api.2captcha.com/reportCorrect

{
  "clientKey": "YOUR_API_KEY",
  "taskId": 1234567890
}

When to send reportIncorrect

The token was rejected by the website ("Invalid CAPTCHA" error, blocking)

Endpoint: https://api.2captcha.com/reportIncorrect

{
  "clientKey": "YOUR_API_KEY",
  "taskId": 1234567890
}

Code examples

Python (using official library)

# pip install 2captcha-python
from twocaptcha import TwoCaptcha

solver = TwoCaptcha('YOUR_API_KEY')

try:
    result = solver.recaptcha(
        sitekey='6LfB5_IbAAAAAMCtsjEHEHKqcB9iQocwwxTiihJu',
        url='https://example.com/login',
        version='v3',
        action='login',
        score=0.9
    )
    token = result['code']
    print(f'Token: {token}')
    
    # Send report after using the token
    # solver.report_correct(task_id) or solver.report_incorrect(task_id)
    
except Exception as e:
    print(f'Error: {e}')

PHP

<?php
require __DIR__ . '/vendor/autoload.php';

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

try {
    $result = $solver->recaptcha([
        'sitekey' => '6LfB5_IbAAAAAMCtsjEHEHKqcB9iQocwwxTiihJu',
        'url'     => 'https://example.com/login',
        'version' => 'v3',
        'action'  => 'login',
        'score'   => 0.3
    ]);
    
    echo "Token: " . $result->code;
    
} catch (Exception $e) {
    echo "Error: " . $e->getMessage();
}
?>

Common errors and solutions

Request frequency recommendations

• Polling getTaskResult: every 5-10 seconds (no more frequently!)
• Between creating new tasks: pause for 2-5 seconds
• After receiving 3+ consecutive errors: change proxy or pause for 15-30 minutes

Useful Links

• reCAPTCHA v3 Demo Page
• Full API Documentation
• Developer Libraries (GitHub)
• reportCorrect Method
• reportIncorrect Method

Conclusion

Bypassing reCAPTCHA v3 is not a one-time setup but an iterative optimization process. The key to success:

1. Accurate identification of all parameters (sitekey, action, minScore)
2. Experimentation with different score and action values
3. Mandatory use of the reporting system
4. Monitoring solution quality and rapid adaptation to website changes

We hope these recommendations help you improve your results. If you encounter difficulties — test your solution on the demo page, check your request logs, and do not hesitate to contact support with examples of your requests and responses.