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Zero Friction: Unlike OTPs (One-Time Passwords), real-time checks happen in the background, so the user never has to switch tabs or check their inbox.
Proactive Prevention: It stops “disposable” or “typo” emails before they enter your database, whereas OTPs only verify that an inbox exists (even if it’s a temporary one).
Higher Conversions: By removing the “waiting” step, you reduce the drop-off rate typically seen when users get distracted while waiting for a verification link.
Our extension integrates seamlessly with your WooCommerce checkout process, verifying email addresses as customers enter them. No more waiting for bounce notifications or discovering invalid emails weeks later.


Yes! This extension includes a sandbox mode that lets you test all functionality without consuming your Kickbox API credits.
Yes, the extension verifies emails during both WooCommerce checkout and user registration.
No, the verification happens asynchronously and typically completes in under 2 seconds. We've optimized the extension to minimize any impact on user experience.
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