Application programming interfaces (APIs) are the connective tissue of the modern enterprise, driving innovation and ...

This article is published by AllBusiness.com, a partner of TIME. What are "APIs?" An API (Application Programming Interface) is a set of protocol routines, and tools for building software.

A set of instructions by which an application program (a complete program that performs a specific function directly for the user) can access the computer's operating system. This term was viewed ...