An API, or application programming interface, is a set of rules or protocols that enables software applications to communicate with each other to exchange data, features and functionality.

In contrast to a user interface, which connects a computer to a person, an application programming interface connects computers or pieces of software to each other.

Nov 10, 2025 · APIs, or Application Programming Interfaces, are the invisible backbone of modern software development. They enable different applications, platforms, or systems to …

APIs, or application programming interfaces, are sets of instructions that let applications communicate with each other. Learn more in our Beginner's Guide to APIs.

API stands for Application Programming Interface. In the context of APIs, the word Application refers to any software with a distinct function. Interface can be thought of as a contract of …

Learn what an API (Application Programming Interface) is, and how it enables software interaction. Discover how APIs work, with examples, common types, and the best tools to use.

Jun 2, 2022 · API stands for application programming interface—a set of definitions and protocols to build and integrate application software.

Jun 24, 2025 · API stands for application programming interface. An API is a set of protocols and instructions written in programming languages such as C++ or JavaScript that determine how …

Jan 22, 2024 · APIs are application programming interfaces. They are pieces of software that act as a bridge between one application and another application, piece of hardware or database …

4 days ago · An API (application programming interface) is a set of rules laying out how one piece of software can communicate with another. I've probably used an API dozens of times today, …