Uses And Functions Of API

Application Program Interface or known simply as API is basically a set of protocols, routines as well as tools needed to build software applications. API is specifying how the software components will interact to each and in addition, it is also used when programming components for GUIs or Graphical User Interface. Actually, a good API makes it simpler to make programs by providing all the building blocks which is put together by the programmer.

As a matter of fact, there are various kinds of APIs used today for applications, websites or even operating systems. As an example, Windows makes use of different API sets that are being used by system applications as well as hardware and when copying and pasting text from one app to the other, basically it is the API that does the work.

The use of programs has become easier through GUI implementations. Developers can easily use some technologies to build applications through application programming interfaces. The API helps to reduce the cognitive load on the part of the programmer by exposing actions or objects that the developer needs and abstracting the underlying implementation.
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While graphic interface for email client might provide users with a button that can perform all steps to highlight and fetch new emails, API for file input and output gives developers the function to copy a file from one place to another without having to understand the file system operation that occurs behind the scenes.
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APIs have different uses and purposes as what said earlier, which is why it is not so surprising if there are APIs on frameworks and libraries, operating systems, web and in fact, there are API for SEO as well. Believe it or not, some of the more popular uses of APIs are in Google Maps and YouTube. When it comes to Google Maps for example, the integration of API make it possible for developers to embed Google Maps on websites by taking advantage of Flash interface or JavaScript while in YouTube, it allows videos and functionality of the site to be integrated to apps or websites. This is basically one of the reason why it is possible for us to play and watch live stream YouTube videos even if we are not directly on the site because YouTube has live streaming API, YouTube Player API and many more.

The truth is that, the usability of the app is directly affected by the way the API is designed. With this being said, the design of API is trying to provide only the tools that a user expects from it. The design for programming interfaces is representing a crucial role in software architecture or the organization of complex piece of software.