---
title: "How To Build a Web API using Express.js, Bun and MongoDB?"
url: https://daily.dev/posts/how-to-build-a-web-api-using-express-js-bun-and-mongodb--7m4l4ojuw
source_url: https://blog.bitsrc.io/building-an-api-using-express-js-mongodb-bun-cbac231d1cd3?source=rss----5c2fdf847f4a---4
type: article
source: "Bits and Pieces"
published: 2023-12-08T16:32:57.361Z
updated: 2023-12-08T16:32:55.100Z
tags: ["javascript", "nodejs", "backend", "mongodb", "bun"]
reading_time: 5
upvotes: 41
comments: 0
language: en
---

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# How To Build a Web API using Express.js, Bun and MongoDB?

**[Bits and Pieces](https://daily.dev/sources/bit)** · 5 min read · 41 upvotes · 0 comments

## Summary

Learn how to build a high-performing Express.js API backed by MongoDB using Bun. This article provides step-by-step instructions for setting up the application, installing the necessary tools, designing the MongoDB schema, defining business logic in controllers, adding routes, and configuring MongoDB. It also covers adding monitoring to Express.js applications with logging and data validation using express-validator.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://blog.bitsrc.io/building-an-api-using-express-js-mongodb-bun-cbac231d1cd3?source=rss----5c2fdf847f4a---4>

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---

Tags: [#javascript](https://daily.dev/tags/javascript), [#nodejs](https://daily.dev/tags/nodejs), [#backend](https://daily.dev/tags/backend), [#mongodb](https://daily.dev/tags/mongodb), [#bun](https://daily.dev/tags/bun)

[View this post on daily.dev](https://daily.dev/posts/how-to-build-a-web-api-using-express-js-bun-and-mongodb--7m4l4ojuw)