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!This plugin hasn’t been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Ironclad CAPTCHA WP plugin

3D objects-based CAPTCHA to get rid of spam in comments.


Go to Settings section in WP control panel and then to Ironclad CAPTCHA sub-section. You should get API-key to for your blog/site to make Ironclad CAPTCHA appear on it. In order to do this you should register here:


Then enter your Ironclad CAPTCHA account there, add your site to the list and copy generated API key.Then insert this key into "API key" field on the page of Ironclad CAPTCHA plugin settings inside your WP control panel. The valid API key looks something like IRONCLAD-CAPTCHA-ABCDE-0123456789. After that, Ironclad CAPTCHA should appear in the comments form of your WP blog. Enjoy!


This plugin is free for everyone. Since it's released under the GPL, you can use it free of charge on your personal or commercial blog and alter it any way you like. You must not, however, remove copyright notice implicitly or explicitly, under any conditions.

About Ironclad CAPTCHA:


Sign up for API key:


Log in to the control panel:


Questions? Problems? Wishes? Suggestions?

Then open support ticket here: http://www.securitystronghold.com/support/

We'll be glad to help you!

Requires: 2.3.1 or higher
Compatible up to: 3.3.2
Last Updated: 5 years ago
Active Installs: 100+


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