You can teach your applications the rule of the language, so it can communicate with the services and access all the functions and information that the service are ready to share. You don’t want the internal logic of the services, just ship a simple command and the service will return the necessary information . For example, in case you want to touch the information aggregator API and get today’s most popular news from it. Beginner API app and background On the one hand, this ensures a degree of protection against abuse from others. This is because if a provider over abuses an API by making, say, calls every minute, then the API will become slow and unstable for everyone else. This is when a user allows access to their data on a service. With this, we will be asking permission from a user to access their newsfeed. Let’s imagine you’re an aspiring software developer and are designing your app. The goal of my app is to obtain the maximum benefit from the user’...