What is an API (Application Programming Interface)? Understand how APIs enable applications to communicate, share data, and drive digital transformation across businesses. A beginner-friendly guide to understanding APIs: what they are, how they work, and why they power nearly every digital experience you use.
When running on a server, an API is a set of coded routines that receives requests from and sends responses to other programs. API designers implement that code through standardized programming statements that expose functions that make sense for accessing the platform in question.