* LDAP Application Program Interface

* RFC 4462, Generic Security Service Application Program Interface ( GSS-API ) Authentication and Key Exchange for the Secure Shell ( SSH ) Protocol ( May 2006 )

* Application Program Command, a C1 control code

For example, the Inter-American Development Bank created a Committee for the Application of Intermediate Technology in 1976 and the World Health Organization established the Appropriate Technology for Health Program in 1977.

The LDAP Application Program Interface, described by RFC 1823, is an Informational RFC that specifies an application programming interface in the C programming language for version 2 of the Lightweight Directory Access Protocol.

* RFC 1823-The LDAP Application Program Interface-IETF

* Topfield Application Program, a software application extending functionality of Topfield TV products

* WAsP, Wind Atlas Analysis and Application Program

Wind Atlas Analysis and Application Program ( WAsP ) is a tool used in the wind energy industry to simulate wind flow over terrain and estimate the long-term energy production of wind turbines and wind farms.

* User Application Support Program.

* Generic Security Services Application Program Interface, an application programming interface for programs to access security services

The Generic Security Services Application Program Interface ( GSSAPI, also GSS-API ) is an application programming interface for programs to access security services.

# REDIRECT Generic Security Services Application Program Interface

Since the mid-1990s, AutoCAD supported custom objects through its C ++ Application Programming Interface ( API ).

First published in the System V Application Binary Interface specification, and later in the Tool Interface Standard, it was quickly accepted among different vendors of Unix systems.

On 6 January 2005, and later again on 25 June 2010, ISO re-affirmed its MUMPS-related standards: ISO / IEC 11756: 1999, language standard, ISO / IEC 15851: 1999, Open MUMPS Interconnect and ISO / IEC 15852: 1999, MUMPS Windowing Application Programmers Interface.

Modern operating systems usually have an Application Programming Interface to help screen readers obtain this information, such as UI Automation ( UIA ) for Microsoft Windows or AT-SPI for GNOME.

* Integrated Object Model, an Application Programming Interface used in SAS ( software ) 9. 1 + Integration Technologies

The Java Remote Method Invocation Application Programming Interface ( API ), or Java RMI, is a Java API that performs the object-oriented equivalent of remote procedure calls ( RPC ).

* Common Application Programmer's Interface, LispWorks Common Lisp GUI toolkit

* Common ISDN Application Programming Interface, Common ISDN API

* Microsoft Cryptographic Application Programming Interface, an interface to a library of functions software developers can call upon for security and cryptography services

* PRNGs that have been designed specifically to be cryptographically secure, such as Microsoft's Cryptographic Application Programming Interface function CryptGenRandom, the Yarrow algorithm ( incorporated in Mac OS X and FreeBSD ), and Fortuna.

The Telephony Application Programming Interface ( TAPI ) is a Microsoft Windows API, which provides computer telephony integration and enables PCs running Microsoft Windows to use telephone services.

The Telephony Server Application Programming Interface ( TSAPI ) is a similar standard developed by Novell for NetWare servers.

* James Gosling, Frank Yellin, The Java Team, The Java Application Programming Interface, Volume 2: Window Toolkit and Applets, Addison-Wesley, 1996, ISBN 0-201-63459-7

* James Gosling, Frank Yellin, The Java Team, The Java Application Programming Interface, Volume 1: Core Packages, Addison-Wesley, 1996, ISBN 0-201-63453-8

Emerging new classes of internet portals called Cloud Portals are showcasing the power of API ( Application Programming Interface ) rich software systems leveraging SOA ( service oriented architecture, web services, and custom data exchange ) to accommodate machine to machine interaction creating a more fluid user experience for connecting users spanning multiple domains during a given " session ".

NGSCB-enabled applications are to be split into two distinct parts, the NCA, a trusted module with access to a limited Application Programming Interface ( API ), and an untrusted portion, which has access to the full Windows API.

* AMD64 ( x86-64 ) Application Binary Interface

* Application Binary Interface ( ABI ) for the ARM Architecture

ja: Application Binary Interface

pl: Application Binary Interface

de: Windows Application Programming Interface

# REDIRECT Telephony Application Programming Interface

The Java Platform, Enterprise Edition or Java EE defines the core set of API and features of Java Application Servers which came about as a result of the Java Community Process.

A de facto API standard called Common Topic Maps Application Programming Interface ( TMAPI ) was published in April 2004 and is supported by many Topic Maps implementations or vendors:

On October 1, 2008, Netflix launched an Application Programming Interface ( API ).

* CAMP-Cloud Application Management for Platforms, is an API for managing public and private cloud applications.

* Application Response Measurement ( ARM ) ( defines an API for C and Java programming language to measure application transaction response times, adopted by The Open Group )

In computer programming a window class is a structure fundamental to the Microsoft Windows ( Win16, Win32, and Win64 ) operating systems and its Application Programming Interface ( API ).

QuickDraw is the 2D graphics library and associated Application Programming Interface ( API ) which is a core part of the classic Apple Macintosh operating system.

The core API ( Application Programming Interface ) is quite small:

* Common Messaging Calls, an API client for the Messaging Application Programming Interface

* Distributed Resource Management Application API ( DRMAA )

Messaging Application Programming Interface ( MAPI ) is a messaging architecture and a Component Object Model based API for Microsoft Windows.

* Remote Debugging Interface, an Application Programming Interface ( API ) from ARM that defines a standard set of data structures and functions that abstract hardware for debugging purposes

API, originally Advanced Programming Interface but now more commonly known by its near-synonym, Application programming interface, is any defined inter-program interface.

JVMTI is designed to provide an Application Programming Interface ( API ) for the development of tools that need access to the state of the JVM.

The HLA is an architectural standard establishing among other things an Application Programming Interface ( API ) between an application and the Run-Time Infrastructure ( RTI ).

: A second option was for the end user to develop an API ( Application Programming Interface ), or program, to integrate the data from each telematics provider into his or her database.