application program interface
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application program interface



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DEFINITION - An application program interface (API - and sometimes spelled application programming interface) is the specific method prescribed by a computer operating system or by an application program by which a programmer writing an application program can make requests of the operating system or another application.

An API can be contrasted with a graphical user interface or a command interface (both of which are direct user interfaces) as interfaces to an operating system or a program.

CONTRIBUTORS: Thomas Li
LAST UPDATED: 16 Feb 2004


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