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	An application programming interface (API) is a set of routines, data structures, object classes and/or protocols provided by libraries and/or operating system services in order to support the building of applications.[1] An API may be:

	Language-dependent; that is, available only in a particular programming language, using the particular syntax and elements of the programming language to make the API convenient to use in this particular context.
	Language-independent; that is, written in a way that means it can be called from several programming languages (typically an assembly/C-level interface). This is a desired feature for a service-style API that is not bound to a particular process or system and is available as a remote procedure call.
	The API itself is largely abstract in that it specifies an interface and controls the behavior of the objects specified in that interface. The software that provides the functionality described by an API is said to be an implementation of the API. An API is typically defined in terms of the programming language used to build an application. The related term, ABI (Application Binary Interface), is a lower level definition concerning details at the Assembly language level. For example, the Linux Standard Base is an ABI, while POSIX is an API.[2]

	The API acronym may sometimes be used as a reference not only to the full interface but also to a single function or even a set of multiple APIs provided by an organization. Thus the scope is usually determined by the person or document that communicates the information

	~~[[Category:IT Terms]]~~

Paulreed: Created page with "An application programming interface (API) is a set of routines, data structures, object classes and/or protocols provided by libraries and/or operating system services in order ..."

2010-12-29T15:30:29Z

Created page with "An application programming interface (API) is a set of routines, data structures, object classes and/or protocols provided by libraries and/or operating system services in order ..."

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An application programming interface (API) is a set of routines, data structures, object classes and/or protocols provided by libraries and/or operating system services in order to support the building of applications.[1] An API may be:

Language-dependent; that is, available only in a particular programming language, using the particular syntax and elements of the programming language to make the API convenient to use in this particular context.
Language-independent; that is, written in a way that means it can be called from several programming languages (typically an assembly/C-level interface). This is a desired feature for a service-style API that is not bound to a particular process or system and is available as a remote procedure call.
The API itself is largely abstract in that it specifies an interface and controls the behavior of the objects specified in that interface. The software that provides the functionality described by an API is said to be an implementation of the API. An API is typically defined in terms of the programming language used to build an application. The related term, ABI (Application Binary Interface), is a lower level definition concerning details at the Assembly language level. For example, the Linux Standard Base is an ABI, while POSIX is an API.[2]

The API acronym may sometimes be used as a reference not only to the full interface but also to a single function or even a set of multiple APIs provided by an organization. Thus the scope is usually determined by the person or document that communicates the information

[[Category:IT Terms]]

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Paulreed: Created page with "An application programming interface (API) is a set of routines, data structures, object classes and/or protocols provided by libraries and/or operating system services in order ..."