---
title: "Discussion on \"What is Middleware in Express and How It Works\" | Hashnode"
description: "Discussion on \"What is Middleware in Express and How It Works\". Think of Express middleware as a series of security checkpoints or automated processing stations on a factory assembly line.\nIn Express, middleware is essentially a function that has access to the Req"
url: "https://hashnode.com/posts/what-is-middleware-in-express-and-how-it-works/6a008916e3eebc2e2082e3d1"
---

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# [What is Middleware in Express and How It Works](https://wtmdl.hashnode.dev/what-is-middleware-in-express-and-how-it-works?utm_source=hashnode&utm_medium=feed)

Think of Express middleware as a series of security checkpoints or automated processing stations on a factory assembly line. In Express, middleware is essentially a function that has access to the Req

May 10 · 3 min read · wtmdl.hashnode.dev  
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## Written by

[Ayush Panda](https://hashnode.com/@Ayush-Panda)

@Ayush-Panda

  
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Mern Developer , tech enthusiast

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