APIs
#apis
![APIs](https://cdn.hashnode.com/res/hashnode/image/upload/jirjz7cc54l2mstzpaab/1450468334.png?w=200&h=200&fit=crop&crop=entropy&auto=compress,format&format=webp&auto=compress,format&format=webp)
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In computer programming, an application programming interface (API) is a set of routines, protocols, and tools for building software applications. An API expresses a software component in terms of its operations, inputs, outputs, and underlying types. - Wikipedia