This article will give you a basic tutorial for creating an API with Express and MongoDB for CRUD operations.

The CRUD operations are the four basic operations of manipulating data including Create/Construct, Read, Update and Delete. At the end of this tutorial, we will have an API to serve the front-end that’s similar to the one here  mecallapi.com/crud/.

Note: We are not focusing on the front-end in this article.

Software Installation

• Node.js:  https://nodejs.org
• MongoDB Community: the database using in this article  https://www.mongodb.com/try/download/community
• Postman: a tool for API testing  https://www.postman.com/downloads/

Create a User in MongoDB

Starting for creating a user in MongoDB to enable connectivity from our API. Start MongoDB Compass then go New Connection > Fill in connection Fields individually.

The Hostname would be localhost, then click Connect.

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