A powerful and flexible CAPTCHA solution for everything.
Ribaunt lets you build your own CAPTCHA logic, customize its appearance and integrate it seamlessly into your applications with ease.
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Ribaunt is the strongest open source CATPCHA.
Built with industry standard proof-of-work technology and battle-tested against the most sophisticated bots, Ribaunt provides unparalleled protection while maintaining a seamless user experience.
Customizable
Secure by default
Assign signed JWTs to users securely to verify sessions with ease.
Fast and light
Provide a fast and frictionless experience for users, ensure great UX.
Less false positives
Use industry standard algorithms and check user information for the most accurate results.
Identify users
Check IP addresses, user accounts and JWTs to verify user identities accurately.
Make it even more powerful with us.
Use Ribaunt's flexible APIs and get even more analytics, control and official support from the builders of Ribaunt. Manage blocklists, view in-depth analytics, and get priority support.
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A friendly and responsive support experience.
99.99% Uptime
See challenge results in real time, instantly mitigate bad requests.
Complete Compliance & Security Readiness
Stay compliant with privacy and security regulations. Our platform meets GDPR and HIPAA requirements, providing data protection and compliance monitoring for regulated industries. Make your change with confidence.
Using Ribaunt helped us build our in-house security solution, which made it mind-blowingly cheap and effective while protecting our users' privacy.
Mustafa YıldızFounder, computebaker