Building an API With Express

In this lesson, you will learn how to design an API using the OpenAPI specification, test API routes using Postman, and use Express to build an API backend application.

Learning Objectives

• Learn about the OpenAPI specification
• Learn how to design an API in Postman using the OpenAPI specification
• Learn how to create the initial boilerplate of an Express application
• Learn to create modular routes using Express Router
• Learn how to implement route and query parameters
• Learn about using a controller and controller concept in API route building
• Learn how to test routes along with route and query parameters using Postman
• Learn to create Swagger Documentation for the API from the API design YAML file

Intended Audience

     This lesson is intended for anyone who wants to learn about Express.

Prerequisites

It is highly recommended to watch Node and Express content on Cloud Academy before taking this lesson.