How Instagram Knows Whether to Create or Update | HTTP Methods Explained

Every unified API network relies on standardized response signals to instantly broadcast the outcome of client network calls without forcing downstream services to manually parse text payloads. Master the foundational HTTP status codes—understanding exactly how to structure success states, redirect conditions, client-side entry failures, and server-side processing errors. 🚀 Boost your backend skills—Subscribe here:    / @simplify.backend   CHAPTERS: 00:00 - Restful Architecture Fundamentals & The Core HTTP Verbs 01:28 - Defining the Crucial Safety & Idempotency Rules 02:04 - GET: Safe and Highly Cacheable Data Retrieval 03:02 - POST: Non-Idempotent Resource Mutations & Duplicate Vulnerabilities 04:44 - PUT vs. PATCH: Absolute Overwrites vs. Surgical Updates 05:55 - The Idempotent Nature of PUT Multi-Requests 06:26 - DELETE: Safe Retries & The Mechanics of 404 Status Dissipation 07:31 - How Proxies & Security Appliances Enforce Method Routing Rules ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💻 FREE BACKEND & DEVOPS MASTERCLASSES 🔥 Kafka Full Course:   • Kafka Course | Full Course Enterprise Indu...   🐳 Docker Full Course:   • Docker Mastery: From Zero to Production   ⚙️ Backend Tools (The Why Series):   • THE WHY SERIES   🚀 Backend From Scratch:   • The Backend Blueprint   🧠 DSA to Real-World Application:   • DSA To Real World Application   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ABOUT OUR CHANNEL: Welcome to Simplify Backend! Here, we focus on breaking down complex backend engineering, DevOps pipelines, cloud infrastructure, and system design concepts into practical, easy-to-follow guides. Whether you're mastering Java or preparing for technical interviews, we build software together. 💬 CONNECT WITH ME 🐙 GitHub: https://github.com/mr-mk-dev 💼 LinkedIn:   / manish825316   📧 Business Email: [email protected] #HTTPStatusCodes #APIDesign #BackendEngineering #SoftwareArchitecture