$ eli5: what is an API An API is a waiter between you and the kitchen . 🧒 YOU (the app / user) at the table "I want pizza" REQUEST 🤵 API (the waiter) takes & delivers orders "table 4 wants pizza" REQUEST 👨‍🍳 SERVER / APP (the kitchen) has all the data & logic 🍕 here it is! 🍕 your pizza! RESPONSE in real life ↓ 🌤 Weather App Example Your App 📱 Weather API 🤵 Weather DB 🌩 You ask "weather in Paris?" API asks the server for you Server sends back "22°C ☀️" You see the answer in the app! 📋 APIs have Rules (a Menu!) 🗂️ You can only order what's on the menu 🔑 Some menus need a password (API Key) 🚦 Kitchen has rules on how to ask 📦 Food arrives in a specific format The API enforces the rules so kitchen stays safe! 💡 Why Use an API? 🙈 You don't see inside the kitchen 🔌 Apps talk to each other easily 🏗️ Build on top of other services 🔒 Keeps sensitive data protected APIs are everywhere: maps, payments, login, weather… eli5.cc

ELI5: what is an api

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March 26, 2026
// explanation
// eli5An API is like a menu at a restaurant [1]. You don't need to go into the kitchen and cook - you just tell the waiter what you want, and they bring it to you. Similarly, an API lets different software programs talk to each other and ask for what they need without having to understand how everything works inside [1][3].

// sources

[1]What is an API really? Need deeper explanation. : r/cybersecurity

Aug 6, 2024 ... An API is like a messenger between different software applications. It allows them to communicate, share data, and work together seamlessly, ...

[2]What is an API? - Application Programming Interfaces Explained

APIs are mechanisms that enable two software components to communicate with each other using a set of definitions and protocols.

[3]What is an API in reality? : r/learnjavascript - Reddit

Aug 6, 2023 ... An api is a ready made tool, application, collection of tools that allow you do some things without having to worry of how that thing is done.

[4]What Is an API (Application Programming Interface)? - IBM

An API 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? A Beginner's Guide to APIs | Postman

An API, which stands for application programming interface, is a set of protocols that enable different software components to communicate and transfer data.

[6]What is an API ? Simply Explainedvideo

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