JWT ( Json Web Token ) - Authentication In FastAPI | Security |Tamil

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📌 FastAPI JWT Authentication – Complete Tutorial in Tamil

In this video, I explain how to implement JWT (JSON Web Token) Authentication in FastAPI step by step in Tamil. You will learn what JWT is, how it works, the difference between Session & JWT, and how to create and verify tokens in a real FastAPI project. This tutorial is beginner-friendly and perfect for anyone learning backend development in their own language.

✅ Overview of JWT (Json Web Token)
✅ Difference Between Session & JWT
✅ Structure of JWT (Header, Payload, Signature)
✅ Encoding & Decoding JWT
✅ Creating & Verifying JWT in FastAPI

This tutorial is fully explained in Tamil with real code examples. The program is easy to understand, and perfect for students, developers, and anyone preparing for backend interviews.

🔹 Topics Covered in This Video:
🔹 Introduction to JWT Authentication
🔹 Session vs JWT – Which One to Use?
🔹 Structure of JWT Explained
🔹 Implementing JWT in FastAPI (Login & Protected Routes)
🔹 Token Verification in Real API Endpoints

💡 FastAPI Tutorial in Tamil – A step-by-step JWT authentication guide to make backend security simple and practical!

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