When someone is talking about an API they are referring to a web API. The acronym API stands for application programming interface, which doesn’t necessarily do a great job at explaining what it is if you are just getting started in web development. Most web APIs are built to help developers get data or functionality from an external source.

Have you ever seen Google maps outside of Google? Google has made available many APIs including their maps. So instead of having to create your own entirely new map system with addresses, geography, streets, speed limits, cities etc… you can simply…