application program interface (API)
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.
Contributor(s): Thomas Li
This was last updated in March 2010
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