What Tablif read on FCaptcha's site
FCaptcha describes itself as: “FCaptcha Open source invisible CAPTCHA that catches AI agents”
- Stage: Live, no waitlist
- How it differs: “FCaptcha is a modern CAPTCHA system designed to detect everything: traditional bots, headless browsers, automation frameworks, CAPTCHA farms, and the new generation of AI agents”
What it is
Calls itself “CAPTCHA”.
- Calls itself: CAPTCHA
“FCaptcha is a self-hosted, MIT-licensed CAPTCHA”
Where it puts itself
Rules out “No cookies”.
- Says it will not: No cookies
“FCaptcha is a modern CAPTCHA system designed to detect everything: traditional bots, headless browsers, automation frameworks, CAPTCHA farms, and the new generation of AI agents”
“No cookies, no third-party data.”
Who it sells to
Sells to developers. In 34 languages.
- Sells to: developers
- Languages: 34 languages
“FCaptcha is a modern CAPTCHA system designed to detect everything: traditional bots, headless browsers, automation frameworks, CAPTCHA farms, and the new generation of AI agents”
“The widget ships 34 languages”
How it runs
A API. Can be self-hosted. Distributed through the npm. Offers an API. Open source. AI is the core of the product.
- Kind: api
- Runs where: self-hosted
- Distributed via: npm
- API: yes
- Open source: yes
- AI role: core to the product
“Go, Node or Python.”
“FCaptcha is a self-hosted, MIT-licensed CAPTCHA”
What it works with
Names GitHub, Playwright and 5 more on its pages.
- Names: GitHub · Playwright · Puppeteer · +4
“FCaptcha is a self-hosted, MIT-licensed CAPTCHA with no puzzle.”
“GitHub - WebDecoy/FCaptcha”
What it offers as proof
Live, no waitlist. Compliance: GDPR. Publishes docs.
- Compliance: GDPR
“FCaptcha is a self-hosted, MIT-licensed CAPTCHA”
“GDPR, WCAG 2.2 AA, and EAA”
Sources
Tablif read these pages, last on 2 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.
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