FastAPI Access Token Expiry & ExpiredSignatureError | Hindi

🔜 Coming Soon: Learn how to implement Refresh Token in FastAPI and generate a new Access Token without requiring the user to log in again. 🔔 Subscribe to the channel and press the bell icon for upcoming FastAPI tutorials. In this video, we will learn how Access Token Expiry works in FastAPI. Topics covered in this video: • What is Access Token Expiry? • How to use `ACCESS_TOKEN_EXPIRE_MINUTES` • How to add the `exp` claim to a JWT token • Using `datetime.utcnow()` and `timedelta()` • How to handle `ExpiredSignatureError` • Why an expired token returns a `401 Unauthorized` error • Difference between an Invalid Token and an Expired Token In this code, the Access Token is valid for only 1 minute. After the token expires, calling a protected API returns this response: ```json { "detail": "Token has expired" } ``` Status Code: `401 Unauthorized` 🔜 Coming Soon: Learn how to implement Refresh Token in FastAPI and generate a new Access Token without requiring the user to log in again. 📌 FastAPI Authentication Playlist:    • FastAPI OAuth2 Login & Get User Profile AP...   GitHub Code: https://github.com/vipin-chauhan-ai/f... 📌 Notes Link: https://vipin-chauhan-ai.github.io/vi... #FastAPI #JWT #Python #AccessToken #Authentication