Leveling Up: Returning JSON in my first Spring Boot REST API

Aizen — Thu, 25 Sep 2025 08:41:34 +0000

After creating my first /hello endpoint in Spring Boot, I wanted to make it more “real-world.” Plain text is fine for learning, but production APIs usually return structured JSON. Today, I built that!

What I did

1.Created a simple response class to hold my data:

2.Updated my controller to return this object:

3.output

Built my first REST API with Spring Boot 🚀

Aizen — Thu, 25 Sep 2025 08:16:23 +0000

I’ve been stuck watching endless tutorials on Spring Boot without actually building anything. Today, I finally broke the cycle and created my very first REST API endpoint: /hello!

OUTPUT

This may look tiny, but it’s my first step toward building real backend apps with Spring Boot.

Next, I’ll try returning JSON and adding parameters.

Any tips for a beginner in Spring Boot? Or small project ideas I should try?

DEV Community: Aizen

Leveling Up: Returning JSON in my first Spring Boot REST API

Built my first REST API with Spring Boot 🚀