Introduction When modern applications talk to each other, they do not use HTML pages. They use APIs.Every mobile app, React dashboard, payment system, and cloud service communicates through REST APIs. In the MERN stack, Express.js is the gateway that handles this communication. After two decades of building backend systems, I can confidently say that the […]
Day 12 – REST API Development in Express.js Step-by-Step Read More »
Introduction Have you ever wondered how your mobile app fetches live weather updates, how UPI apps process instant payments, or how a website displays your Google login option? The answer lies in APIs — the invisible bridges that make digital interactions possible. API, short for Application Programming Interface, is one of the most fundamental technologies
What Are APIs and Why Are They Used? Read More »
Introduction Express.js is a minimalist and flexible Node.js framework that simplifies backend development in MERN applications. While Node.js provides the runtime environment, Express streamlines routing, middleware, and HTTP request handling, allowing developers to focus on building scalable and maintainable APIs. For MERN Stack developers, mastering Express is critical, as it bridges React frontend and MongoDB
Day 9 – Express.js Basics: Building Your First Server Read More »
Introduction In a MERN Stack application, the frontend (React) and backend (Node.js + Express) must communicate seamlessly to deliver dynamic, interactive experiences. Connecting React to Node.js is critical for fetching data, submitting forms, performing authentication, and displaying real-time updates. CuriosityTech.in emphasizes full-stack integration, teaching learners how to establish secure, efficient, and scalable connections between frontend
Day 13 – Connecting React Frontend to Node.js Backend Read More »
Introduction Testing REST APIs is a crucial skill for Java Full Stack Developers. Even if you’ve built robust APIs using Spring Boot, you need to validate that they work correctly before integrating them with the frontend. Postman is one of the most popular tools for testing APIs, offering automation, debugging, and collaboration features. At CuriosityTech.in,
Day 17 – REST API Testing with Postman for Java Developers Read More »
Introduction API architecture is a critical decision in MERN Stack development. Traditional REST APIs have been the standard, but GraphQL has emerged as a modern alternative. Understanding the strengths, limitations, and use cases of both is essential for building scalable and efficient applications. CuriosityTech.in emphasizes practical comparison and implementation, helping MERN developers make informed choices
Day 22 – GraphQL vs REST: Which One Should MERN Developers Use? Read More »