An application programming interface (API) is a connection between computers or between computer programs. It is a type of software interface, offering a service to other pieces of software. [1]

What is an API? 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.

Jul 21, 2025 · An API is a set of rules that allow different software applications to communicate with each other .Think of it as a bridge that connects two systems—such as a client and a server—and …

An application programming interface (API) is a set of rules that enable one program to transmit data to another program. Learn more about API calls, API security, and API integrations.

Jul 7, 2025 · API stands for application programming interface. If you’re looking for a concise API meaning, it’s this: a set of rules and definitions that let software systems communicate with each other.