99.7%
<2s
40+
4

Try It Yourself

Experience CloudFlush verification firsthand. Click the checkbox below to trigger a real captcha challenge — powered by intelligent emoji recognition and proof-of-work protection.

<script src="https://challenge.cloudflush.win/widget.js"></script>

CloudFlush('captcha-box', {
  siteKey: 'YOUR_SITE_KEY',
  onSuccess: function(token) {
    
  }
});

POST /api/siteverify
{
  "secret": "YOUR_SECRET_KEY",
  "token": "<token from frontend>"
}

Free
$0
  • 15 req/min
  • 10 sites
  • 1 captcha type
  • Emoji verification
Pro
$1.99
/mo
  • 2,000 req/hr
  • 50 sites
  • 2 captcha types
  • Emoji + Semantic
Popular
Pro+
$9.99
/mo
  • 300K verif/mo
  • 200 sites
  • 3 captcha types
  • Custom branding
Pay As You Go
$0.0001
/verify
  • Unlimited verifications
  • 100 sites
  • 2 captcha types
  • Emoji + Semantic