To fully understand what Zapier is, we first need to take a look at APIs. An API (application program interface) is a medium through which computer programs can talk to each other. Don’t worry, we won’t go into the nitty-gritty technical details; instead, we’ll break it down in layman’s terms.
Let’s say that you have one person who only speaks English (let’s call him Facebook) and another who onlyspeaks German (we’ll call her Gmail). Usually, Facebook and Gmail wouldn’t be able to communicate with each other because of the language barrier.
That’s where your translator (API) comes in. The API can speak all languages and so, with its help, Facebook and Gmail can talk to each other, and later share photos and contacts. If you’re still a little vague, take a look at this fantastic little video by the guys over at MuleSoft.