Learn how to use a web API from within an Android app using Retrofit. Get posts from social media, store data on the cloud, and much more!

Web API doesn’t allow you to pass multiple complex objects in the method signature of a Web API controller method — you can post only a single value to a Web API action method.

Many apps, websites, and services are starting to make use of AI but require a ChatGPT API key. So what is the ChatGPT API key and where do you find it?