Protect your business from spam and ensure legitimate form submissions. Our double opt-in system verifies email authenticity, maintains GDPR compliance, and helps you build a trusted user base.
Automatically filter out fake submissions with our proven double opt-in verification system.
Add double opt-in to any form with just a few lines of code. Works with all major frameworks.
Built-in consent tracking and verification for complete GDPR compliance.
Pay only for verified submissions, not spam. Save money while maintaining quality.
Get started in minutes with our drop-in form protection. No complex configuration needed.
Instant email verification and submission tracking. Know exactly who's filling your forms.
Track verification rates, submission patterns, and user engagement with comprehensive analytics.
Add one line of code and we'll automatically protect all forms on your page.
<!-- Add this script to your page -->
<script>
(function() {
var f = document.createElement('script');
f.type = 'text/javascript';
f.async = true;
f.src = 'https://www.doifast.com/api/forms/YOUR_PROJECT_ID';
f.setAttribute('data-project', 'YOUR_PROJECT_ID');
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(f, s);
})();
</script>
<!-- That's it! All forms are now protected -->Our script automatically detects and protects all forms on your page. No manual configuration needed.
Copy, paste, and you're done. Our lightweight script (3KB) won't slow down your page.
We handle everything: email verification, spam protection, and GDPR compliance. You don't need to change your forms.
Get started with 10 free tokens. Each token verifies one form submission.
Perfect for testing or small projects.
Best value for most websites.