Fast, unopinionated, minimalist web framework for Node.js

$ npm install express --save

const express = require('express')
const app = express()
const port = 3000

app.get('/', (req, res) => {
  res.send('Hello World!')
})

app.listen(port, () => {
  console.log(`Example app listening on port ${port}`)
})

Express@5.1.0: Now the Default on npm with LTS Timeline

Express 5.1.0 is now the default on npm, and we’re introducing an official LTS schedule for the v4 and v5 release lines. Check out our latest blog for more information.

Web Applications

Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.

APIs

With a myriad of HTTP utility methods and middleware at your disposal, creating a robust API is quick and easy.

Performance

Express provides a thin layer of fundamental web application features, without obscuring Node.js features that you know and love.

Middleware

Express is a lightweight and flexible routing framework with minimal core features meant to be augmented through the use of Express middleware modules.