doCaptcha
doCaptcha uses AI behavioral analysis to stop bots — without puzzles, friction, or compromising privacy. Made in Germany.
Integrates with your stack
Features
Security that works for everyone
Enterprise-grade protection that's invisible to real users and impenetrable to bots.
AI-Powered Detection
Behavioral analysis with machine learning identifies bots with 99.9% accuracy — no image puzzles required.
Sub-100ms Response
Optimized challenge delivery with global edge caching. Your users never wait.
Privacy-First
GDPR compliant by design. EU data residency. No tracking cookies. No personal data collection.
Smart Form Protection
Beyond CAPTCHA — detect spam content, block gibberish, prevent brute force, and enforce form quality. Complete form intelligence layer.
How it works
Three steps to protection
Get up and running in minutes, not days.
Add one line of code
Drop in our lightweight SDK. Works with any framework — React, Vue, Angular, or vanilla JS.
AI analyzes behavior
Our models evaluate mouse movement, typing patterns, and interaction signals in real time.
Bots blocked. Users pass.
Legitimate users are verified invisibly. Suspicious traffic gets a quick, friendly challenge.
Live Demo
See it in action
Try our verification challenges. No image grids, no frustration — just clean, intelligent protection.
How It Works
Challenge Presented
User receives an interactive challenge based on subscription tier
Behavioral Analysis
AI analyzes mouse movements, timing, and interaction patterns
Instant Verification
Real-time decision with confidence score and risk assessment
Simple Integration
<!-- Add doCaptcha SDK -->
<script src="https://widget.docaptcha.com/v1/widget.min.js"></script>
<!-- Add to your HTML -->
<div id="docaptcha-widget"></div>
<script>
doCaptcha.render('#docaptcha-widget', {
apiKey: 'your_api_key',
type: 'hold',
onSuccess: (token) => {
// Handle successful verification
console.log('Verification token:', token);
}
});
</script>WHY doCaptcha
Designed for what matters
Built for Privacy
No personal data collection. No tracking cookies. Full GDPR compliance with EU data residency. Your users stay anonymous — always.
Developer-First
One script tag, three lines of config. Works out of the box with React, Vue, Angular, Next.js, and vanilla HTML. Integration takes minutes, not hours.
AI That Learns
Behavioral models adapt to new bot patterns in real time. Mouse movements, timing signals, and interaction fingerprints — analyzed in under 100ms.