Published 11/2025
MP4 | Video: h264, 1280×720 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 2h 30m | Size: 1.13 GB
Build secure Flask APIs with JWT: user accounts, tokens, claims, protected routes, refresh flow, and full auth system.
What you’ll learn
Set up a Flask project structure ready for API development.
Configure a database with SQLAlchemy and manage user data securely.
Create user accounts with secure password hashing and organize code with Flask Blueprints.
Implement login functionality and generate JWT access and refresh tokens.
Protect API endpoints using JWTs to prevent unauthorized access.
Handle JWT-related errors such as missing, invalid, or expired tokens.
Use JWT claims for role-based authorization and secure access control.
Automatically load the current user from JWT, refresh access tokens, and implement logout with token revocation.
Requirements
Basic understanding of Python programming.
Familiarity with REST APIs and HTTP requests.
Basic knowledge of JSON and working with JSON data.
Understanding of web development concepts (optional but helpful).
Description
Are you ready to build secure, modern, production-ready APIs with Flask and JWT Authentication?This course takes you from the absolute basics to advanced JWT concepts, guiding you step-by-step through real API security workflows used by professional backend developers.You will build a complete authentication system using Flask, SQLAlchemy, and JWTs, including user registration, login, access control, refresh tokens, token revocation, and claims-based authorization.This course focuses on practical, real-world skills — so by the end, you’ll be able to secure any Flask API confidently and professionally.What’s Inside This Course? (Content Overview)1. Project SetupYou’ll start by creating a clean project structure and setting up a Flask application ready for API development.2. Database Setup With Flask SQLAlchemyLearn how to configure SQLAlchemy, create database models, and prepare your backend for storing user data securely.3. Create User Accounts, Password Hashing, and BlueprintsBuild a complete user registration system with secure password hashing and organize your project using Flask Blueprints.4. Login and Create Access & Refresh TokensImplement login functionality and generate JWT access and refresh tokens that will power your secure authentication flow.5. Protect Endpoints With JWTsLearn how to secure routes so only authenticated users can access them, preventing unauthorized access to your API.6. Error HandlingHandle common JWT-related errors such as missing tokens, invalid tokens, and expired tokens.This ensures your API returns clean, consistent, user-friendly error responses.7. JWT Claims for AuthorizationLearn how to add custom claims inside tokens and use them for permission-based access control.8. Automatic User Loading (Current User From Token)Retrieve the current user directly from the JWT, making it easy to access user data in your protected routes.9. Create New Access Tokens Using Refresh TokensAllow users to regain access by generating new access tokens without logging in again.10. Revoke Access and Refresh Tokens (Logout System)Build a complete logout system where access and refresh tokens can be revoked so they cannot be reused.Why Take This Course?This course provides the exact practical knowledge required to build secure authentication for any Flask-based API.Whether you’re building a small personal project or preparing a production-level API, this step-by-step course will give you a strong foundation in JWT-based authentication.
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