Create Auth

Build or migrate Better Auth integrations for TypeScript and JavaScript apps with secure defaults, incremental rollout, and explicit verification.

Standards snapshot (March 2026)

• Start from the smallest viable auth surface, then layer features after the core flow works.
• Keep implementation and rollout aligned to OWASP Top 10:2025 expectations for auth, session, and access-control safety.
• Prefer incremental migration over full rewrites when existing auth already exists.
• Validate live auth behavior, not just config shape.

Philosophy

• Secure defaults come first; feature richness comes second.
• Build the smallest working auth surface before layering plugins and providers.
• Favor incremental cutovers over high-risk rewrites.

When to use

• Adding Better Auth to a new app.
• Migrating an existing app to Better Auth.
• Adding concrete auth features such as OAuth, passkeys, 2FA, magic links, or org flows.