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How to identify any captcha (reCAPTCHA/hCaptcha/FunCaptcha/GeeTest/Cloudflare) and their parameters

How to identify any captcha (reCAPTCHA/hCaptcha/FunCaptcha/GeeTest/Cloudflare) and their parameters

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31-Oct-2023

identify reCaptcha, hCaptcha, FunCaptcha and theirs parameters

📕 Steps to Start Detecting CAPTCHA Parameters:

Various types of CAPTCHAs like reCaptcha, hCaptcha, funCaptcha, cloudflare and geetest exist in the online space. Identifying their parameters can be essential when seeking to understand how to solve them. This blog will guide you on how to easily identify these CAPTCHA parameters using the Capsolver Extension Utility.

  1. Installation:

  2. Capsolver Setup:

    • Visit Capsolver.
    • Press the "F12" key on your keyboard to open the developer tools.
    • Navigate to the tab labeled Capsolver Captcha Detector.
  3. Detection:

    • Without closing the Capsolver panel, visit the website where you intend to trigger the CAPTCHA.
    • Trigger the captcha.
    • Remember: Do not close the Capsolver panel before triggering the CAPTCHA.

🤖 CAPTCHA Parameter Detection:

reCaptcha:

  • Identifiable Parameters:
    • Website URL
    • Site Key
    • pageAction
    • isInvisible
    • isEnterprise
    • isSRequired
    • isReCaptchaV3
    • Api Domain
    • Capsolver Json:
      Once the CAPTCHA parameters have been detected, Capsolver will return a JSON detailing how you should submit the captcha parameters to their service.
      reCaptcha solver parameters

FunCaptcha:

  • Identifiable Parameters:
    • Website URL
    • Site Key
    • FunCaptcha
    • FunCaptcha API JS Subdomain
    • Data blob
    • BDA
    • User-agent
    • Capsolver Json:
      As with reCaptcha, once the CAPTCHA parameters have been detected, Capsolver will generate a submission JSON detailing how you should proceed.

Geetest V4:

  • Identifiable Parameters:
    • is Geetest V4
    • Captcha Id (This is different each time, you will need to obtain everytime you want to solve captcha)

Cloudflare Turnstile

  • Identifiable Parameters:
    • website url
    • site key
    • action (This change everytime, you need to obtain new value)
    • cData (This change everytime, you need to obtain new value)

hCaptcha:

  • Identifiable Parameters:
    • Website URL
    • Site Key
    • Enterprise
    • Rqdata required
    • Capsolver Json:
      After detection, Capsolver provides a detailed JSON for submission.

Note: Be aware that hCaptcha detection might fail on some enterprise websites.

If you do it correctly, you will be able to see something like this:

Keep the panel open and simply head to the site to activate the captcha. Closing the panel will erase previous identifications, and you'd need to reopen it and refresh the page.

Conclusion:

Identifying CAPTCHA parameters can be straightforward with the right tools. Capsolver makes it easy to not only identify these parameters but also provides a seamless integration JSON to submit the detected parameters. Remember always to use such tools responsibly and ethically. Ensure you respect the terms of service of websites and services you interact with.

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