🚀 System Design Part6: Why WhatsApp Uses WebSockets Instead of REST APIs

Ever wondered why WhatsApp, trading platforms, multiplayer games, and real-time collaboration tools don't rely solely on REST APIs? In this video, we'll explore the key differences between REST APIs and WebSockets and understand why modern real-time applications use persistent connections instead of the traditional request-response model. 📚 What You'll Learn ✅ How REST APIs work ✅ Request-Response Architecture ✅ What are WebSockets? ✅ Persistent Connections Explained ✅ Real-Time Communication Patterns ✅ Chat Application Architecture ✅ Why WhatsApp Uses WebSockets ✅ Trading Systems & Multiplayer Games Architecture ✅ WebSocket vs REST Comparison ✅ Performance & Scalability Considerations 🛠 Practical Demo • Build a Simple Chat Application • Implement Real-Time Messaging with WebSockets • Compare REST and WebSocket Communication • Run and Test the Application 🎯 Real-World Examples • WhatsApp Messaging • Stock Trading Platforms • Multiplayer Online Games • Live Notifications • Collaborative Applications If you're preparing for System Design interviews, Backend Engineering roles, Software Architecture discussions, or simply want to understand how modern real-time applications work, this video is for you. 👍 Like the video if you found it helpful 🔔 Subscribe for more System Design, Cloud, AI, Data Engineering, and Software Architecture content. #WebSocket #RESTAPI #WhatsApp #SystemDesign #SoftwareArchitecture #BackendEngineering #DistributedSystems #RealTimeCommunication #ChatApplication #FastAPI #Python #TechTutorial #ScalableSystems #Microservices #SoftwareEngineering