Plugins

Sign-In with Stacks provides official plugins for popular authentication frameworks, making it easy to integrate wallet-based authentication into your application.

Available Plugins

Better Auth

A full-featured authentication plugin for Better Auth. This plugin provides:

• Automatic nonce generation and verification
• Session management with cookies
• Multi-chain wallet address support
• Anonymous and email-based authentication modes
• Database schema for storing wallet addresses

Get started with Better Auth →

Community Plugins

Have you created a plugin for Sign-In with Stacks? Open a PR to add it here!

Building Your Own Plugin

Sign-In with Stacks is framework-agnostic and can be integrated with any authentication system. The core library provides:

• createSiwsMessage - Create a SIP-X formatted message for signing
• generateSiwsNonce - Generate a cryptographically secure nonce
• verifySiwsMessage - Verify a signed SIWS message
• validateSiwsMessage - Validate message fields without signature verification

See the Getting Started guide for basic usage, then adapt the flow to your authentication framework of choice.