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Startups

Better Auth

Backed by

Logo of Y Combinator

Raised $5M Seed on Jun 25, 2025

Better Auth is a framework-agnostic authentication and authorization framework for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities. Whether you need 2FA, multi-tenancy, multi-session support, or even enterprise features like SSO, it lets you focus on building your application instead of reinventing the wheel.