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  1. What is an API? A Beginner's Guide to APIs | Postman

    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.

  2. API - Wikipedia

    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]

  3. What is an API (Application Programming Interface)

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

  4. What is an API (application programming interface)? - IBM

    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.

  5. What is an API? - GitHub

    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. Think of an API …

  6. What Is an API (Application Programming Interface)? Definition and ...

    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 …

  7. What Is an API? (+ How Do They Work?) | Coursera

    Jun 24, 2025 · What is an API? 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 …

  8. What Is an API? A Developer's Guide to Application Integration in 2025

    Jul 15, 2025 · An API, the full form, Application Programming Interface, is a set of rules that allows one software system to interact with another. In app development, APIs help apps connect to databases, …

  9. What Is an API (Application Programming Interface)? | Confluent

    What Is an API (Application Programming Interface)? An API is a set of definitions or protocols that allows two or more applications to communicate with one another seamlessly. In this guide, learn …

  10. What is an API? - Application Programming Interfaces Explained - AWS

    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 service between two …