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Gigaversity

Gigaversity.inย โ€ขย 5m

What is an API? Have you ever ordered food at a restaurant? The internet works in a similar way! An API (Application Programming Interface) is like a waiter - it takes your request, delivers it to the kitchen (backend), and brings back the response. The API Restaurant Analogy You (Client) = Hungry and placing an order (making a request) Waiter (API) = Takes your order and sends it to the kitchen (transmits the request) Kitchen (Backend) = Prepares your food (processes the request) Waiter (API) = Brings back your food (i.e. delivers the data!) Real-Life Examples of APIs Instagram - The API fetches new posts from the backend. Weather App โ†’ The API pulls the latest weather data. Online Payments โ†’ APIs process transactions securely. Without APIs, apps wouldn't be able to talk to servers to get the information they need! The 4 Main API Actions (CRUD) APIs follow a structure called CRUD: Create โ†’ POST (Add new data) Read โ†’ GET (Fetch existing data) Update โ†’ PUT/PATCH (Modify data) Delete โ†’ DELETE (Remove data) Example: GET/users โ†’ Fetches a list of users POST/users โ†’ Creates a new user Follow Gigaversity for more analogies like APIs that simplify complex tech concepts.

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