Files
stack/packages/template
e59a70783e Turnstile integration for fraud protection (#1239)
Enhances sign-up process with Turnstile integration for fraud
protection. Builds on top of fraud-protection-temp-emails.

Made with [Cursor](https://cursor.com)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Cloudflare Turnstile bot-protection across signup/sign-in flows
(including SDK JSON mode).
  * Email deliverability checks via Emailable.
* Sign-up risk scoring with persisted risk metrics and country code
tracking.
* UI: country-code selector, risk-score editing in user details, users
list refresh button, and Turnstile signup demo pages.

* **Bug Fixes**
  * Use actual sign-up timestamp for reporting/metrics.

* **Documentation**
* Expanded knowledge base on Turnstile, risk scoring, and env
configuration.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: Konstantin Wohlwend <[email protected]>
Co-authored-by: BilalG1 <[email protected]>
Co-authored-by: Armaan Jain <[email protected]>
Co-authored-by: nams1570 <[email protected]>
2026-03-20 21:26:45 +00:00
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Stack Auth: Open-source Clerk/Auth0 alternative

📘 Docs | ☁️ Hosted Version | Demo | 🎮 Discord | GitHub

Stack Auth is a managed user authentication solution. It is developer-friendly and fully open-source (licensed under MIT and AGPL).

Stack Auth gets you started in just five minutes, after which you'll be ready to use all of its features as you grow your project. Our managed service is completely optional and you can export your user data and self-host, for free, at any time.

We support Next.js frontends, along with any backend that can use our REST API. Check out our setup guide to get started.

📦 Installation & Setup

  1. Run Stack Auth's installation wizard with the following command:
    npx @stackframe/stack-cli@latest init
    
  2. Then, create an account on the Stack Auth dashboard, create a new project with an API key, and copy its environment variables into the .env.local file of your Next.js project:
    NEXT_PUBLIC_STACK_PROJECT_ID=<your-project-id>
    NEXT_PUBLIC_STACK_PUBLISHABLE_CLIENT_KEY=<your-publishable-client-key>
    STACK_SECRET_SERVER_KEY=<your-secret-server-key>
    
  3. That's it! You can run your app with npm run dev and go to http://localhost:3000/handler/signup to see the sign-up page. You can also check out the account settings page at http://localhost:3000/handler/account-settings.

Check out the documentation for a more detailed guide.