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For user authentication, calling APIs, and human-in-the-loop flows

Start with the User Authentication quickstart, and then continue with any of
  • Call Your APIs on User’s Behalf
  • Call Other’s APIs on User’s Behalf
  • Aysnchronous Authorization

User Authentication

Leverage Auth0’s Universal Login to enable AI agents to securely authenticate users.NEXT.JS FASTAPI

Call Your APIs on User's Behalf

Manage tokens to enable AI agents to call first-party APIs.NEXT.JS FASTAPI VERCEL AI LANGGRAPH CLOUDFLARE AGENTS

Call Other's APIs on User's Behalf

Connect AI agents to external tools, functions, and services. Auth0 handles token refreshes and exchanges without any user intervention.NEXT.JS FASTAPI VERCEL AI LANGGRAPH

Asynchronous Authorization

Add human-in-the-loop controls for critical or delayed actions using secure protocols like Client-Initiated Backchannel Authentication and Pushed Authorization Requests.NEXT.JS FASTAPI VERCEL AI LANGGRAPH

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For access controls in Retrieval Augmented Generation (RAG) pipelines

Use the Authorization for RAG quickstart to build document and relationship-level access control in your RAG pipelines.

Authorization for RAG

Use Auth0 Fine-Grained Authorization to enforce document and relationship-level access control in your Retrieval Augmented Generation (RAG) pipelines.NEXT.JS FASTAPI VERCEL AI LANGGRAPH