Ultimate ASP.NET 5 Web API Development Guide - Install and Explore Postman

The video tutorial introduces Postman, a tool for API testing, and guides viewers through downloading, installing, and setting it up. It explains how to create workspaces and make API requests using different HTTP verbs. The tutorial also covers testing with free APIs, understanding status codes, and handling JSON responses. Advanced testing techniques, including handling query parameters and error codes, are demonstrated to help users effectively test and visualize API data.

What is JSON and how is it used in API responses?

How can you test an API using Postman with a query string?

What are some common authentication methods used in APIs as mentioned in the text?