Exposing an API

About

This module introduces the essentials of building an API with Express.js. Students will learn to set up endpoints, handle incoming requests, and send back responses, laying the groundwork for effective API development with a focus on practical, real-world applications.

Content

Lesson	Skills
Setup	Setting up the development environment
Concepts	Explain what an API is and how they are used
Elements of an API	Explain the main components of an API – endpoints, requests, and responses
Exposing a GET Route	Develop and test a simple calculator API with a `GET` method
Exposing a POST Route	Create and test a `POST` route in a calculator API

References

📖 Reference Materials

Internal

Prerequisites

HTTP Request Response Cycle
Intro to Express

Course landing pages

SEB - Software Engineering Bootcamp
Fallback

Resources

✏️ Instructor Guide

🎥 Video Hub

🏗️ Release Notes

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