Backend
Backends on Vercel run on Fluid compute with Active CPU pricing, plus Instant Rollback, the Vercel Firewall, protected previews, and rolling releases.
Knowledge Base/ Backend
Build with a Backend Template on Vercel
Build with a Flask starter template
Although this Website may be linked to other websites, we are not, directly or indirectly, implying any approval.
Zero-Configuration Backends on Vercel
Using xmcp with Next.js
Deploy an H3 app to Vercel with zero configuration. Learn to configure streaming, middleware, cron jobs, the Bun runtime, and observability.
How to ship an H3 app on Vercel
Deploy a Koa app to Vercel with zero configuration. Learn how to ship from the Vercel CLI or Git, and configure response streaming, middleware, cron jobs, and Observability.
How to ship a FastAPI app on Vercel
Add an MCP server to an existing Next.js app with xmcp. Create typed tools, add authentication, and deploy to Vercel as a Vercel Function.
How to ship a Fastify app on Vercel
How to ship a Flask app on Vercel
Deploy an Express app to Vercel with zero configuration. Configure response streaming, middleware, cron jobs, the Bun runtime, and observability.
All Backend Guides
Fluid computeVercel FunctionsVercel ServicesVercel Container Registry Vercel CLIVercel SandboxRouting MiddlewareWeb Application FirewallNext.jsSvelteKitObservabilityAI SDKAI GatewayProjects