
reCAPTCHA
reCAPTCHA is a free service that protects your site from spam and abuse. It uses advanced risk analysis techniques to tell humans and bots apart.
reCAPTCHA - Wikipedia
reCAPTCHA Inc.[1] is a CAPTCHA system owned by Google. It serves to web hosts to distinguish between human and automated access to websites. The original version asked users to decipher …
reCAPTCHA Help - Google Help
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse. A “CAPTCHA” is a turing test to tell human and bots apart. It is easy for humans to solve, but hard...
reCAPTCHA website security and fraud protection | Google Cloud
reCAPTCHA is bot protection for your website that prevents online fraudulent activity like scraping, credential stuffing, and account creation.
reCAPTCHA v3 | Google for Developers
Jul 10, 2024 · reCAPTCHA v3 returns a score for each request without user friction. The score is based on interactions with your site and enables you to take an appropriate action for your site.
reCAPTCHA documentation | Google Cloud Documentation
Jan 2, 2026 · Get free usage of 20+ popular products, including Compute Engine and AI APIs. No automatic charges, no commitment. Find quickstarts and guides, review key references, and get help …
Developer's Guide | reCAPTCHA | Google for Developers
Sep 18, 2024 · Get an overview of Google reCAPTCHA v3 and v2, including a comparison of features.
Settings | reCAPTCHA | Google for Developers
Jul 10, 2024 · Learn about viewing and deleting reCAPTCHA site and secret keys, and configuring key settings.
What is reCAPTCHA? - reCAPTCHA Help - Google Help
What is reCAPTCHA? reCAPTCHA is a free service from Google that helps protect websites from spam and abuse. A “CAPTCHA” is a turing test to tell human and bots apart. It is easy for humans to...
reCAPTCHA overview | Google Cloud Documentation
Jan 2, 2026 · Google has been defending millions of sites with reCAPTCHA for over a decade. reCAPTCHA uses advanced risk analysis techniques to detect fraud.