Add Clerk authentication to a Next.js app with the Clerk CLI
The Clerk CLI adds authentication to a Next.js 16 App Router app end-to-end: scaffold, pull keys, patch passkeys as code, and validate wiring — no dashboard round-trip.
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Add Clerk authentication to a React app with the Clerk CLI
The Clerk CLI sets up React authentication in one command: scaffold a Vite + React 19 app, pull env keys, and patch passkeys, sign-in methods, and session policy as code.
Add Clerk authentication to a TanStack Start app with the Clerk CLI
Use the Clerk CLI to add Clerk authentication to an existing TanStack Start app. Covers `clerk init --framework tanstack-start`, config-as-code patches, and what the CLI actually writes into your project.
Authentication for Serverless and Edge Deployments
Ephemeral compute breaks traditional session auth. Implement stateless JWT verification and JWKS caching with Clerk across Vercel, Cloudflare Workers, Netlify Edge, and Lambda.
How to Add Authentication to a Python Backend
Protect FastAPI, Flask, and Django endpoints with Clerk's official Python SDK — networkless JWT verification, RBAC, webhook handling, and production-ready deployment patterns.
How to add SSO and SAML to my SaaS Product
Ship production SAML SSO in your SaaS: a complete Clerk walkthrough for Next.js, Auth0 and WorkOS snippets, and the DIY security pitfalls from 2025–2026 CVEs.