Account Takeover
Prevent mass log in attempts used to verify the validity of stolen username/password pairs and fraudulently access user accounts.
Privacy-First Bot Protection
Protect your website from bots, AI agents and fraud with a privacy-first, GDPR-compliant CAPTCHA built and hosted in Europe.
Made in Europe
GDPR compliant
WCAG 2.2 AA
ISO 27001 in progress
DORA compliant
No cookies
Trusted by companies and governments around the world
The European CAPTCHA that just works
CaptchaFox provides a unique combination of features for improved bot protection.
Privacy focused
Based in Germany, we adhere to data protection standards and do not use cookies or store personal data of end users.
Adaptive bot detection
Through a combination of multiple security strategies and a variety of signals, malicious bots are detected at an early stage.
Better user experience
User-friendly and zero friction challenges make it easier to verify customers without lowering conversion rates.
Ready to use in minutes
Integrating CaptchaFox only takes a few minutes and a few lines of code. Our API is compatible with reCAPTCHA, so you can make the switch quickly. We also offer a number of pre-built integrations for React, Vue, Angular and more.
All your insights in one dashboard
Our intuitive dashboard gives you a clear overview of every verification and user interaction, with detailed analytics at your fingertips. Adjust your protection, fine-tune challenge difficulty and activate new challenges in just a few clicks — no technical knowledge required.
Protection against multiple bot threats
Stop the automated attacks that drain your revenue and put your users at risk.
Fake Users
Prevent bulk account creation and stop attackers from misusing sign-up processes to automate their fraudulent activities.
Carding
Prevent multiple payment authorization attempts that verify the validity of stolen gift card and payment data to exploit their value.
Try the demo
Stop bots without your users ever noticing.
Frequently asked questions
Everything you need to know. Can't find your answer? Contact our support team.
What is CaptchaFox?
CaptchaFox is a privacy-first CAPTCHA and bot protection service. It shields your websites and apps from automated abuse such as spam, fake sign-ups and account takeover, while keeping the experience smooth for real users.
Is CaptchaFox GDPR compliant?
Yes. CaptchaFox is built and hosted in the EU and processes only the minimal data needed to tell humans and bots apart. We act as a data processor on your behalf, and a data processing agreement is available on request.
How do I integrate CaptchaFox?
Integration takes just a few lines of code. Our API is compatible with reCAPTCHA, and we provide ready-made SDKs for React, Vue, Angular and more, so most teams are up and running in minutes.
Can I migrate from reCAPTCHA or hCaptcha?
Yes. Because our API is drop-in compatible with reCAPTCHA and hCaptcha, you can switch by swapping the script and keys, without rewriting your validation logic.
Is CaptchaFox accessible?
Accessibility is a core part of CaptchaFox. Challenges support keyboard navigation, screen readers and an audio alternative, so every visitor can complete them.
Is there a free plan?
Yes. CaptchaFox offers a free plan so you can protect your site and explore the platform before upgrading to a paid tier.
A Better Alternative to reCAPTCHA
Discover why developers and users trust our approach.
 |  | |
|---|---|---|
Features | ||
| Multiple languages | ||
| Multiple challenges | ||
| GDPR compliant | ||
| Customizable design | ||
| Multi User Account Management | ||
| SAML 2.0 Single Sign-On | ||
| Support from real people | ||
User Experience | ||
| Average time needed to verify | 1s | > 10s |
| Customized types of challenges | ||
| Customized difficulty levels of challenges |
Fight bots and protect your users' data.
Don't give fraudsters and spammers a chance and protect your website with CaptchaFox today.
