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.
API - Wikipedia
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.
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 …
A Comprehensive Guide to API Development: Tools & Tutorials
Jul 23, 2025 · In this article, we will explore the core concepts and components including API development tools that can be used to create an API and test it, and best practices for API …
What is an API? - Application Programming Interface …
Find out what is an API, how and why businesses use APIs, and how to use APIs on AWS.
What Are APIs? A Beginner's Guide (with examples)
Apr 15, 2025 · Whether you're a beginner, a junior developer, or just curious, this article breaks down what APIs are, explains RESTful APIs, and provides easy-to-understand examples to …
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 …
What Is an API? (+ How Do They Work?) - Coursera
Dec 16, 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 …
Introduction to web APIs - Learn web development | MDN
Nov 30, 2025 · First up, we'll start by looking at APIs from a high level — what are they, how do they work, how to use them in your code, and how are they structured? We'll also take a look …
What is an API? | API definition | Cloudflare
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.