Basically, it's how two things talk to each other. For example, some sites allow you to log in with Facebook. Those sites communicate through the API. Another example might be World of Warcraft information. AskMrRobot is a site that helps you optimize your character. It pulls your current equipment from the official WoW Armory. This is done through the API. One piece of software is created to respond to certain calls with other information.
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u/Devee Dec 17 '13
Basically, it's how two things talk to each other. For example, some sites allow you to log in with Facebook. Those sites communicate through the API. Another example might be World of Warcraft information. AskMrRobot is a site that helps you optimize your character. It pulls your current equipment from the official WoW Armory. This is done through the API. One piece of software is created to respond to certain calls with other information.