application programming interface

noun

variants or less commonly application program interface
computing
: a set of rules that allows programmers to develop software for a particular operating system without having to be completely familiar with that operating system
To fix this problem, trustbusters have installed a provision forcing Microsoft to disclose more information about its so-called application programming interfaces, or APIs.Businessweek
abbreviation API

Examples of application programming interface in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Analyze 12-24 months of bank statements via application programming interface to assess true debt-to-income ratios and payment histories. Efri Argaman, Forbes.com, 29 July 2026 Other positive signs include strong engagement trends both within the Gemini app and via application programming interface (API) usage on the part of enterprise customers. Zev Fima, CNBC, 23 July 2026 Companies and organizations generally offer application programming interfaces (APIs) for swift and reliable information transfer. Chad De Guzman, Time, 17 July 2026 Anthropic touted Claude’s ability to ship more than 800 application programming interface (API) error fixes in April, a task the company said would have taken a human four years to complete. Sasha Rogelberg, Fortune, 23 June 2026 See All Example Sentences for application programming interface

Word History

First Known Use

1968, in the meaning defined above

Time Traveler
The first known use of application programming interface was in 1968

Browse Nearby Words

Cite this Entry

“Application programming interface.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/application%20programming%20interface. Accessed 31 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster