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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. 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, …

  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 …

  4. 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 …

  5. 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 …

  6. American Petroleum Institute | API | Individual Certification …

    Become API certified in 510, 570, 653, 1169, and more. Learn how these trusted credentials help professionals succeed—start your certification journey today.

  7. American Petroleum Institute | API | ICP Schedules & Fees

    View 2025 API ICP exam dates, application deadlines, and fees. See which programs are offered remotely. Apply today to secure your spot!

  8. API Reference - OpenAI API

    Complete reference documentation for the OpenAI API, including examples and code snippets for our endpoints in Python, cURL, and Node.js.

  9. 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.

  10. HTML What is a Web API - W3Schools

    An API is some kind of interface that includes a set of functions and subroutines that allow programmers to access specific features or data of an application, operating system or other …