💻 System Design Part5: REST API Explained with Real Examples | Complete Beginner Guide
🚀 Want to learn REST APIs from scratch?
In this video, I explain REST APIs using simple real-world examples and then build a practical FastAPI application step-by-step.
Whether you're preparing for software engineering interviews, learning backend development, or getting started with system design, this video will help you understand how APIs work in the real world.
📌 Topics Covered
✅ What is an API?
✅ What is a REST API?
✅ HTTP Methods Explained
• GET – Retrieve Data
• POST – Create Data
• PUT – Update Data
• DELETE – Remove Data
✅ HTTP Status Codes
• 200 OK
• 201 Created
• 400 Bad Request
• 404 Not Found
• 500 Internal Server Error
✅ Practical FastAPI Project
• Create User Endpoint
• Get User Endpoint
• Delete User Endpoint
✅ API Documentation
✅ GitHub Repository
By the end of this video, you'll understand how modern applications communicate using REST APIs and how to build your own API using FastAPI.
💡 Perfect For:
• Software Engineers
• Backend Developers
• Python Developers
• System Design Learners
• Cloud Engineers
• DevOps Engineers
• Computer Science Students
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