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Backend

Backends deployed to Vercel get the full benefit of Vercel's infrastructure: Fluid compute with dynamic scaling and cold-start prevention, Active CPU pricing, Instant Rollback, the Vercel Firewall, protected preview deployments, and rolling releases.

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Backend Tools

How to Build a Weather API with Express and Vercel

Provide real-time weather data to apps and websites with a single Express route.

How to Build a Weather API with FastAPI and Vercel

Provide real-time weather data to apps and websites with a single FastAPI route.

How to Build a Weather API with Nitro and Vercel

Provide real-time weather data to apps and websites with a single Nitro route, Vercel cache storage, and Observability.

Build with a Backend Template on Vercel

Build with a Nitro starter template

Deploy a Nitro app to Vercel from a starter template. Compare the Nitro Starter, route rules, cached HTTP handler, plugins, Slack Bolt, and iMessage AI agent templates, then ship to a live URL.

Build with a Hono starter template

Deploy a Hono app to Vercel from a starter template. Compare the Hono API starter, MCP server, AI SDK, Slack Bolt, Next.js, Turborepo, and domco templates, then ship to a live URL.

Build with an Express starter template

Deploy an Express app to Vercel from a template. Browse Express starters from Vercel and the community, then run them locally with the Vercel CLI.

Build with a FastAPI starter template

Browse FastAPI starter templates for Vercel and deploy one in a few steps. Compare minimal, AI, agent, and full-stack FastAPI templates on the Python runtime.

Build with a Flask starter template

Deploy a Flask app to Vercel from a starter template. Compare the Flask Hello World starter, AI SDK, alt text generator, and Next.js templates, then ship to a live URL.

Zero-Configuration Backends on Vercel

Using xmcp with Next.js

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 an H3 app on Vercel

Deploy an H3 app to Vercel with zero configuration. Learn to configure streaming, middleware, cron jobs, the Bun runtime, and observability.

How to ship a Fastify app on Vercel

Deploy a Fastify app to Vercel with zero configuration, then add streaming, lifecycle hooks, cron jobs, and observability.

How to ship an Express app on Vercel

Deploy an Express app to Vercel with zero configuration. Configure response streaming, middleware, cron jobs, the Bun runtime, and observability.

How to ship a FastAPI app on Vercel

Deploy a FastAPI app to Vercel with zero configuration. Learn how the Python runtime, Vercel Functions, streaming, middleware, and cron jobs work together.

How to ship a Koa 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 NestJS app on Vercel

Deploy a NestJS app to Vercel with zero configuration. Learn how to ship from a template, the Nest CLI, or Git, and configure response streaming, middleware, cron jobs, and Observability.

How to ship a Flask app on Vercel

Deploy a Flask app to Vercel with zero configuration. Learn how to ship from a template, the Vercel CLI, or Git, and configure response streaming, middleware, cron jobs, the Bun runtime, and Observability.

How to ship an Elysia app on Vercel

Deploy a Elysia app to Vercel with zero configuration. Learn how to ship from a template, the Vercel CLI, or Git, and configure response streaming, middleware, cron jobs, the Bun runtime, and Observability.

How to ship a Nitro app on Vercel

Deploy a Nitro app to Vercel with zero configuration. Learn how to ship from a template, the Vercel CLI, or Git, and configure ISR, cron jobs, Vercel Queues, per-route function settings, and Observability.

How to ship a Hono app on Vercel

Deploy a Hono app to Vercel with zero configuration. Learn how to ship from a template, the Vercel CLI, or Git, and configure response streaming, middleware, cron jobs, the Bun runtime, and Observability.

All Backend Guides