Dictionary.com
Thesaurus.com

API

American  

abbreviation

  1. American Petroleum Institute. Also A.P.I.

  2. Computers. application programming (or program) interface: a set of protocols used by programmers to create applications for a specific operating system or to interface between the different modules of an application.


API British  

abbreviation

  1. application programming interface

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

YipitData found that effective API prices fell 6% in May 2026, after falling 39% in the second half of 2025.

From MarketWatch ● Sep. 3, 2026

Trump Media & Technology Group, the company running the platform, has dismissed concerns over the product, which is called Truth API and was first unveiled in mid-July.

From Barron's ● Aug. 12, 2026

“Our new Truth API product is already generating revenue,” McGurn says on the company’s 2Q earnings release, in which it reported deepening losses.

From The Wall Street Journal ● Aug. 11, 2026

Truth API provides customers with machine-readable feeds from popular accounts within milliseconds, McGurn said Monday, giving customers “fractionally faster” access to public information.

From The Wall Street Journal ● Aug. 10, 2026

This is a glimpse of the API at work in the game.

From "Warcross" by Marie Lu

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training