How does Rest API work? - video Dailymotion

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7/8/2025

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00:00REST API is how apps talk to servers.

00:04Your phone asks for data.

00:06The server responds with information,

00:10making every app function possible.

00:13REST uses four main actions.

00:16GET retrieves data, POST creates new data,

00:20PUT updates existing data, and DELETE removes data permanently.

00:26Every REST API uses URLs as addresses.

00:30The domain points to the server,

00:33the endpoint specifies what you want,

00:35and parameters identify specific items.

00:40Client sends a request with headers and data.

00:43Server processes it and sends back a response with a status

00:48code and the requested information.

00:52REST APIs use JSON formats to structure data

00:56and organizes information with keys and values,

01:00making it easy for computers to understand and process.

01:05Status codes tell you what happened.

01:08200 means success, 400 indicates client errors,

01:12and 500 shows server problems, like traffic lights for data.

01:19APIs use identification to control axes.

01:24API keys and tokens act like digital IDs,

01:27ensuring only authorized users can access protected data.

01:33So when you order food through an app,

01:35REST APIs handle everything, sending your order, processing payments,

01:40and tracking delivery in real time.

01:44REST is popular because it works everywhere.

01:47Any device that understands HTTP can use REST APIs,

01:53making it a universal language of the internet.

01:57REST APIs are simple to understand,

02:00scale easily without growing demand, or growing demand,

02:05and provide reliable communication.

02:08That's why the power,

02:10well, that's why the power is most modern applications.

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