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.
Proven at scale
The backbone of bot and AI agent defense
Bots and autonomous AI agents operate at web scale, so our detection does too. CaptchaFox analyzes billions of interactions a year for e-commerce, software solutions, entertainment and public services, without a single cookie or tracker.
- 2.5 Billion
- web interactions analyzed per year across the globe
- 99.99%
- historical uptime of CaptchaFox services
- Zero
- cookies, trackers or personal data stored from your users
39K verifications Logistics
82K verifications Insurance
41K verifications Insurance- 57K verifications Education
49K verifications E-commerce- 47K verifications Public Sector
36K verifications Energy- 84K verifications E-commerce
66K verifications Public Sector- 41K verifications Education
41K verifications Healthcare- 59K verifications Public Sector
- 77K verifications Fintech
38K verifications Banking
34K verifications Telecom
1.08M verifications Media- 295K verifications Media
- 103K verifications Banking
- 441K verifications Media
- 48K verifications E-commerce
- 133K verifications SaaS
52K verifications Logistics
64K verifications SaaS- 87K verifications Telecom
- 45K verifications E-commerce
38K verifications Gaming
34K verifications Education- 54K verifications Retail
- 50K verifications Logistics
- 114K verifications Travel & Leisure
- 37K verifications SaaS
48K verifications Insurance- 101K verifications Fintech
31K verifications Travel & Leisure
47K verifications Banking
66K verifications SaaS
76K verifications SaaS- 81K verifications Ticketing
76K verifications Retail- 44K verifications Ticketing
- 73K verifications Public Sector
- 56K verifications Automotive
71K verifications Gaming
75K verifications Streaming
32K verifications Fintech
106K verifications SaaS
45K verifications Energy
37K verifications Public Sector
40K verifications E-commerce- 61K verifications SaaS
- 75K verifications Banking
51K verifications SaaS- 37K verifications Gaming
47K verifications E-commerce
50K verifications E-commerce- 57K verifications SaaS
65K verifications Payments
23K verifications Energy
59K verifications Payments- 69K verifications Insurance
- 112K verifications Media
- 95K verifications SaaS
- 70K verifications Streaming
28K verifications SaaS- 37K verifications Banking
Global interactions over the last 30 days
- Verified
- 155,151,80373%
- Ignored
- 52,770,59225%
- Failed
- 3,410,2202%
Detected across this traffic
- Autonomous AI agents
- Headless browsers
- Residential proxies
- TLS signature anomalies
- Credential stuffing
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.
