What is an API.#API #BackendDevelopment #WebDevelopment #21dayschallenge #codeprep

DAY 5 of my 21-Day Backend Development Challenge 🚀 Today we’re going one level deeper in Express.js — but don’t worry, everything is explained in a super simple way with real-life examples. 🔥 What you’ll learn in this video: ✔ Custom Middleware (your own security guards) ✔ Router (clean & organized routes) ✔ MVC Structure (how real projects are built) ✔ Error Handling (handling problems like a pro) This video focuses on understanding concepts, not just copying code — perfect for beginners. 📚 Free Learning Resource Backend Roadmap https://drive.google.com/file/d/1pgkg... 📌 Express Tutorial – Net Ninja    • Playlist   📲 Daily Challenge Updates I’m posting daily backend tasks & progress on Instagram: 👉 Add your Instagram profile link here   / triptiiieei   💬 Join the Challenge Comment “DAY 5 DONE” if you’re following the challenge. Ask your doubts — I reply ❤️ express js advanced mvc architecture explained custom middleware express express router tutorial backend development roadmap 21 days backend challenge #ExpressJS #BackendDevelopment #NodeJS #LearnBackend #21DaysChallenge #WebDevelopment