Welcome to the official documentation for captcha.eu – the invisible bot protection service that keeps your website secure without interrupting your users.
captcha.eu protects your forms, login screens, and user interactions from bots using advanced behavioral analysis. Unlike traditional CAPTCHAs, our solution works invisibly in the background – no puzzles, no image selection, no user friction.
Get started in minutes with our WordPress plugin. Simply install, configure your API keys, and you're protected.
We support multiple platforms and frameworks:
- CMS Platforms: Joomla, TYPO3, Neos, CraftCMS
- E-commerce: Adobe Commerce/Magento
- Authentication: KeyCloak
- Forums: WoltLab Suite
- No-Code: WebFlow
For custom websites, check our comprehensive integration guide with code examples in multiple programming languages.
- 🛡️ Invisible Protection: No user interaction required
- 🍪 No Cookies: 100% GDPR compliant without tracking
- 🇦🇹 EU Hosted: All data processed in Austria
- ♿ Accessible: Works for all users, including those with disabilities
- ⚡ Fast Integration: Get protected in under 30 minutes
- 📊 Real-time Analytics: Monitor protection via our REST API
- 📝 Create your account
- 🚀 Follow our quickstart guide
- 💻 Choose your integration method
- 🧪 Test your implementation
- 🎉 Enjoy bot-free forms!
- 📖 Browse our documentation
- ❓ Check the FAQ
- 💬 Use our live chat
- ✉️ Contact support