Overview
Welcome to Stack Auth
Open-source authentication that gets you started in minutes.
Quick Start (Next.js)
1. Install the SDK
Terminal
2. Use authentication
page.tsx
For other frameworks or detailed configuration, see the full setup guide.
Components
Pre-built UI components ready to use:
Explore
Setup & Installation
Get started with Stack in 5 minutes
Components
Pre-built React components for sign-in, user management, and more
SDK Reference
Learn how to use Stack Auth's SDK
REST API
Explore Stack's REST APIs
Apps
Enable powerful features through the dashboard:
Still have questions? Check out our FAQ or join our Discord.
Last updated December 9, 2025