What is API?
A standard bridge that lets two programs communicate with each other.
// Explanation
API stands for 'Application Programming Interface'. It's basically a contract between two systems: 'if you send me this request in this format, I'll respond with this data'. You don't need to know how the other system works — just how to talk to it. Almost everything on the internet runs on APIs: the weather on your phone, card payments, maps in delivery apps. In AI, it's how developers connect their apps to models like GPT or Claude.
// Example
When a weather app shows you the temperature, it doesn't have its own satellites — it asks a weather API. You use the app, the app uses the API.