Spring Boot is a web framework built on top of the framework Spring. It is designed for easier use and quicker implementation. This article aims to take the counter approach and pinpoint the concepts you will need to implement an API using Spring Boot. This document will be using version 2.4.2 of Spring Boot on a Java project using Gradle as the build system. The article will cover the following aspects of creating an API with Spring Boot:Bootstrap the project, create a controller, configure a RESTful API, handle errors, and test the results.