OpenCart Community

Current Version: v2025-4-18 (release notes)

OpenCart Versions: 2.1.0.x - 4.1.0.x

To Purchase: Visit Clear Thinking or opencart.com



Add the power of Google's invisible reCAPTCHA v3 to your store! reCAPTCHA v3 helps you detect abusive traffic on your website without any interaction required by the user. It assigns a score to the user's actions, which can then be used to block users who do not meet the score threshold. This extension is a standard Captcha type OpenCart extension that will show up in Extensions > Captcha, and you can assign it to your pages in System > Settings > Option tab.

• Upload and go — modifies no core files.
• Take advantage of the built-in extension updater. All that's required is to enter your current license key and click "Update".
• Set score thresholds individually for the OpenCart pages that support captchas (Account Registration, Contact Page, Guest Checkout, Product Reviews, and Returns).
• Edit the error message directly in the extension admin panel.
• Optionally fall back to reCAPTCHA v2 if the customer does not pass the v3 check.
• Restrict the captcha to check only guests and/or specific customer groups.
• Choose to ignore the captcha for certain IP addresses.
• Includes a Testing Mode to view the reCAPTCHA results in the browser error console.

Updated to v303.2

Release Notes:
- Added: ability to fall back to reCAPTCHA v2 if the v3 check isn't passed
- Added: ability to ignore certain IP addresses when loading the captcha
- Fixed: customer group requirements weren't working properly
- Updated: the error message now supports HTML

Updated to v303.3

Release Notes:
- Fixed: checkout registration page issues
- Updated: included some language to point out you can use values of 1.0 initially if you use the v2 Fallback, as Google learns what normal scores on your site are like

Updated to v303.4

Release Notes:
- Fixed: "Array to string conversion" error on some OpenCart versions
- Fixed: the v2 Fallback was not working on the checkout registration page

- Updated: the extension now uses curl to connect to Google, to avoid issues with servers that turn off "allow_url_fopen"
- Updated: the v2 Fallback will now happen immediately when the page loads, instead of requiring the page to be submitted once first

Updated to v303.5

Release Notes:
- Fixed: "Undefined index: guest_checkout_score" on OpenCart 2.1 versions
- Fixed: "Undefined variable: action_failure" error
- Fixed: "Undefined variable: score" if using captchas on non-standard pages

Updated to v2022-7-19

Release Notes:
- NOTE: Starting with this release, version numbers will now be based on the date the new version is released.

- Added: compatibility with OpenCart 4.0.0.x

Updated to v2023-3-09

Release Notes:
- Added: a setting to set the default threshold score, for other extensions that end up using the captcha (like Account Login Captcha)

- Confirmed: compatibility with OpenCart 4.0.1.x

- Updated: changed all initial threshold values to 0.5
- Updated: increased minimum height of v2 reCAPTCHA to avoid display issues

Updated to v2023-5-18

Release Notes:
- Added: compatibility with OpenCart 4.0.2.x
- Added: new "Check For Updates" button with one-click update functionality

Updated to v2024-10-09

Release Notes:
- Added: beta compatibility for Journal 3's checkout

- Fixed: issue with returns page captcha on OpenCart 4.0.2.x versions
- Fixed: "Array to string conversion" error when a connection couldn't be made

Updated to v2025-4-18

Release Notes:
- Added: compatibility with OpenCart 4.1.0.x

- Fixed: issues with affiliate registration on some OpenCart versions

- Updated: fewer ajax calls will be made to the server when checking the reCAPTCHA multiple times on a single page