Turnstile

July 13, 2026

Introducing Precursor: detecting agentic behavior with continuous client-side signals

Precursor, our new continuous behavioral validation engine for bot management, offers visibility into how humans and bots actually interact across the full user journey. By turning session-level behavior into bot detection signals, it identifies advanced automation with higher precision while reducing friction for legitimate users.

February 27, 2026

The most-seen UI on the Internet? Redesigning Turnstile and Challenge Pages

We serve 7.6 billion challenges daily. Heres how we used research, AAA accessibility standards, and a unified architecture to redesign the Internets most-seen user interface.

August 18, 2025

Announcing the Cloudflare Browser Developer Program

Announcing the Browser Developer Program: Cloudflares new collaborative program to help shape Cloudflare challenges that work seamlessly with your browser. Join us today!

March 18, 2025

Upgraded Turnstile Analytics enable deeper insights, faster investigations, and improved security

Introducing new Turnstile Analytics: Gain insight into your visitor traffic, bot behavior patterns, traffic anomalies, and attack attributes.

September 30, 2024

Wrapping up another Birthday Week celebration

Recapping all the big announcements made during 2024s Birthday Week.

September 23, 2024

Introducing Ephemeral IDs: a new tool for fraud detection

As the Internet evolves, Turnstile does too. Introducing Ephemeral IDs a new dimension in detecting fraudulent activity, bot or human, that links behavior to a specific client instead of an IP address. This makes Turnstile better for everyone, everywhere.

March 7, 2024

Building secure websites: a guide to Cloudflare Pages and Turnstile Plugin

Learn how to use Cloudflare Pages and Turnstile to deploy your website quickly and easily while protecting it from bots, without compromising user experience. Follow our tutorial here for a seamless integration

December 18, 2023

Integrating Turnstile with the Cloudflare WAF to challenge fetch requests

By editing or creating a new Turnstile widget with Pre-Clearance enabled, Cloudflare customers can now use Turnstile to issue a challenge when a pages HTML loads, and enforce that all valid responses have a valid Turnstile token

October 2, 2023

Birthday Week recap: everything we announced plus an AI-powered opportunity for startups

Need a recap or refresher on all the big Birthday Week news this week? This recap has you covered

September 29, 2023

Cloudflare is free of CAPTCHAs; Turnstile is free for everyone

Now that weve eliminated CAPTCHAs at Cloudflare, we want to hasten the demise of CAPTCHAs across the internet. Were thrilled to announce that Turnstile is generally available, and Turnstiles Managed mode is now completely free to everyone for unlimited use.

June 23, 2023

How we scaled and protected Eurovision 2023 voting with Pages and Turnstile

More than 162 million fans tuned in to the 2023 Eurovision Song Contest, the first year that non-participating countries could also vote. Cloudflare helped scale and protect the voting application based.io, built by once.net using our rapid DNS infrastructure, CDN, Cloudflare Pages and Turnstile

September 28, 2022

Announcing Turnstile, a user-friendly, privacy-preserving alternative to CAPTCHA

Any website can use a simple API to replace CAPTCHAs with our invisible alternative, whether theyre on the Cloudflare network or not.