tapcha

<p>Adds a tapcha form tag to Contact Form 7. You can use it by adding [tapcha* name] to your form in Contact Form 7.<br />
This plugin makes use of the API from tapcha.co.uk to generate Tapcha challenges and to check whether the response is correct.</p>
<h3>Tapcha API</h3>
<p>This plugin will make requests to our API hosted at api.tapcha.co.uk. A request will be made to it in the following circumstances:<br />
– When a short code / form tag is used, a request will be made to generate the challenge to display on page load<br />
– When users respond to a challenge, a request is made to the API to verify whether the response is correct<br />
– If you have entered an admin key in the settings page, a request will be made to gather statistics that will be shown below</p>
<p>For more information please read our:<br />
– Terms of service at http://tapcha.co.uk/terms-of-service<br />
– Privacy policy at http://tapcha.co.uk/privacy-policy</p>


Tapcha

A gesture based CAPTCHA scheme. Integrates with Contact Form 7

aeyoll

<p>Pow Captcha is a WordPress plugin that adds Proof of Work (PoW) captcha verification to your forms. This provides an effective way to prevent spam and bot submissions without requiring users to solve visual puzzles or complete complex challenges.</p>
<p>The plugin integrates seamlessly with popular form plugins including:</p>
<ul>
<li>Contact Form 7</li>
<li>Gravity Forms</li>
<li>And more coming soon</li>
</ul>
<p>Features:</p>
<ul>
<li>Lightweight and fast</li>
<li>No visual puzzles for users</li>
<li>Effective spam protection</li>
<li>Easy integration with existing forms</li>
<li>Customizable difficulty levels</li>
<li>Developer-friendly with hooks and filters</li>
</ul>
<h3>WP-CLI commands</h3>
<h3>Configure the plugin</h3>
<p>wp pow-captcha set_api_key “your-secret-api-key”<br />
wp pow-captcha set_api_url “https://your-captcha-service.com”<br />
wp pow-captcha set_enable_on_login_form true</p>
<h3>Check configuration</h3>
<p>wp pow-captcha status</p>
<h3>Clear cache when needed</h3>
<p>wp pow-captcha clear_cache</p>


Pow Captcha

Adds Pow Captcha verification to forms to prevent spam and bot submissions.

Tapcha vs Pow Captcha