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APIs are the backbone of modern applications, but what exactly are they, and why do we need them? In this video, we break down APIs from a System Design perspective — starting from the understanding APIs, to understanding its types. You’ll learn: • Why APIs are needed in modern development • How frontend, backend, and different services communicate We also cover different types of APIs: • REST (JSON-based, most commonly used) • SOAP (XML-based, legacy but still used in enterprises) • GraphQL (flexible data fetching) • gRPC (high-performance communication) • WebSockets (real-time communication) Whether you're preparing for interviews or trying to understand real-world systems, this video will give you a solid foundation. Check out our courses: DevOps Bootcamp: https://go.telusko.com/complete-devops Coupon: TELUSKO10 (10% Discount) Industry-Ready Spring Boot, React & Gen AI -Live Course : https://go.telusko.com/industry-ready-springboot Coupon: TELUSKO10 (10% Discount) Master Java Spring Development : https://go.telusko.com/masterjava Coupon: TELUSKO10 (10% Discount) For More Queries WhatsApp or Call on : +919008963671 website : https://courses.telusko.com/ Instagram : https://www.instagram.com/navinreddyofficial/ Linkedin : https://in.linkedin.com/in/navinreddy20 WhatsApp : https://go.telusko.com/whatsapp TELUSKO Android App : https://go.telusko.com/TELUSKOAPP TELUSKO IOS App : https://apple.co/3SsgmU2 Discord : https://discord.gg/D8hWe9BqfF