hCaptcha
A drop-in replacement for reCAPTCHA that pays website hosts.
hCaptcha launched on December 10, 2018 with 7 votes, #895 of 2,148 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 7 years on.
What it does
hCaptcha delivers enterprise-grade, real-time protection against bot abuse and fraud. Privacy-first, drop-in reCAPTCHA replacement. Book a demo.
Protect your services from automated and human threats, while preserving user privacy. hCaptcha is the largest independent service of its kind. From Global 2000 to startups, thousands of enterprises choose hCaptcha to protect their online services. "Why do we use hCaptcha? No one else could deliver on the features and performance we need." Custom Threat Models and Zero PII features maintain strong security without blocking legitimate users of privacy browsers like Brave and tools likefrom hcaptcha.com
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CodeCaptcha - Hide web links behind coding challenges2022 · codecaptcha.io · ▲163Hello HN, I made this silly project over the long weekend. It’s pretty basic right now and the captchas are very easy. I plan to add captcha difficulty levels for link creators soon.
HCaptcha Reverse EngineeredMar 2026 · github.com · ▲5
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