---
title: "Discussion on \"REST APIs for Beginners: What I Learned While Building a Spring Boot Application\" | Hashnode"
description: "Discussion on \"REST APIs for Beginners: What I Learned While Building a Spring Boot Application\". A practical beginner-friendly guide to REST API design, DTOs, JWT authentication, Spring Security, frontend integration, and the lessons I learned while building a real full-stack application."
url: "https://hashnode.com/posts/rest-api-beginners-spring-boot/6a9065fcf27d243b2413d7ca"
---

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# [REST APIs for Beginners: What I Learned While Building a Spring Boot Application](https://buildbreaklearndev.hashnode.dev/rest-api-beginners-spring-boot?utm_source=hashnode&utm_medium=feed)

A practical beginner-friendly guide to REST API design, DTOs, JWT authentication, Spring Security, frontend integration, and the lessons I learned while building a real full-stack application.

Aug 27 · 19 min read · buildbreaklearndev.hashnode.dev  
Updated Sep 21  
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-   [#rest-api](https://hashnode.com/tag/rest-api)
-   [#springboot](https://hashnode.com/tag/springboot)
-   [#java](https://hashnode.com/tag/java)
-   [#spring-security](https://hashnode.com/tag/spring-security)
-   [#backend-development](https://hashnode.com/tag/backend-development)

## Written by

[Kumaravel](https://hashnode.com/@dev-kumaravel)

@dev-kumaravel · Bangalore, India

  
[View profile](https://hashnode.com/@dev-kumaravel)

I have 99 problems, but a syntax error ain't one.

I build things, break things, debug things, and somehow turn them into working projects. Mostly exploring Java, Spring Boot, React, APIs, Git, and whatever interesting tech rabbit hole I fall into next.

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