REST APIs with Flask and Python - Testing Your New Resource with Postman

The video tutorial demonstrates how to set up a virtual environment, run a Flask application, and interact with it using Postman. It covers user registration and authentication using JWT, creating and retrieving items, and managing users in the database. The tutorial also explains handling JWT invalidation after user deletion and saving API endpoints in Postman.

What happens when an invalid user tries to log in?

What is the purpose of the access token in the API?

What does the text say about deleting a user?