Today, we're thrilled to announce Custom Authentication and Resource-Level Access Control for Python deployments in LangGraph Cloud and self-hosted environments!

This powerful new feature allows you to:
Integrate your own authentication providers (e.g., OAuth2, JWT, Supabase).
Implement granular resource access patterns, ensuring conversations, assistants, and workflows remain private and secure.

Why It Matters

While LangGraph Cloud's built-in API key authentication is great for simple use cases, production deployments often demand more robust solutions. With Custom Authentication, you can:

• Validate credentials with your own auth provider.

• Scope conversations to specific users for privacy.

• Add OAuth support for seamless end-user authentication.

• Enforce role-based access control (RBAC) for fine-grained permissions.

This feature provides the flexibility to tailor LangGraph’s authentication and authorization to your app’s unique needs while maintaining LangGraph’s ease of use.

Learn More

• Video Tutorial: Adding Custom Authentication

• Authentication Tutorial Series:

  • Basic Authentication – Add user authentication to a LangGraph app.

  • Resource Authorization – Make conversations private with resource filtering.

  • Production Auth – Connect with OAuth2 providers like Supabase.

• Quick How-To Guide

• Auth Reference Docs

Check out the full-stack template to see Custom Authentication in action, integrating a LangGraph chatbot with a React frontend.

Read the blog for more: https://blog.langchain.dev/custom-authentication-and-access-control-in-langgraph/