How do I connect a Spring Boot API to a vanilla HTML/CSS/JS frontend

📰 Reddit r/webdev

Connect a Spring Boot API to a vanilla HTML/CSS/JS frontend by using RESTful APIs and JavaScript's Fetch API

intermediate Published 8 Jun 2026

Action Steps

Build a RESTful API using Spring Boot to expose backend data
Use JavaScript's Fetch API to make HTTP requests to the Spring Boot API from the frontend
Configure CORS in the Spring Boot API to allow cross-origin requests from the frontend
Test the API connection by making a GET request from the frontend and displaying the response data
Apply error handling and debugging techniques to troubleshoot any issues with the API connection

Who Needs to Know This

Full-stack developers and backend engineers can benefit from understanding how to integrate their Spring Boot APIs with frontend technologies, including vanilla HTML/CSS/JS

Key Insight

💡 Use JavaScript's Fetch API to make HTTP requests to the Spring Boot API and configure CORS to allow cross-origin requests

Key Takeaways

Connect a Spring Boot API to a vanilla HTML/CSS/JS frontend by using RESTful APIs and JavaScript's Fetch API

Full Article

I’m learning Spring Boot and want to understand how to connect my backend API to a frontend using only vanilla HTML, CSS, and JavaScript first. What would be a good learning path and where can i start? submitted by /u/ThenParamedic4021 [link] </

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