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  1. API - Wikipedia

    An API is often made up of different parts which act as tools or services that are available to the programmer. A program or a programmer that uses one of these parts is said to call that …

  2. What is an API (Application Programming Interface)

    Dec 15, 2025 · API architectures define how systems communicate and exchange data, each offering different levels of flexibility, performance, and structure based on application needs.

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

    Developers use APIs to bridge the gaps between small, discrete chunks of code in order to create applications that are powerful, resilient, secure, and able to meet user needs. Even though you …

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

    Nov 3, 2023 · 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 …

  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. …

  6. Learn API Fundamentals and Architecture – A Beginner-Friendly …

    Mar 21, 2025 · API stands for Application Programming Interface. It is a set of rules and protocols that lets different software systems communicate with each other. An API defines how …

  7. American Petroleum Institute | API

    The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. Our more than 600 corporate members, …

  8. API Documentation & Design Tools for Teams | Swagger

    Swagger enables design, governance, and testing across the full AI-enabled API lifecycle, ensuring quality at every step. Build APIs ready for humans, LLMs, agents, and continuous …

  9. What is an API? - Application Programming Interfaces Explained

    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 …

  10. Introduction to web APIs - Learn web development | MDN

    Nov 30, 2025 · Application Programming Interfaces (APIs) are constructs made available in programming languages to allow developers to create complex functionality more easily. They …