Definition of API in English:

API

Pronunciation /ˌā ˌpē ˈī/ /ˌeɪ ˌpi ˈaɪ/

noun

Computing
  • A set of functions and procedures allowing the creation of applications that access the features or data of an operating system, application, or other service.

Origin

1980s abbreviation of application programming interface.

Pronunciation

API

/ˌā ˌpē ˈī/ /ˌeɪ ˌpi ˈaɪ/