REST API

REST

REST API = Just HTTP Requests (GET, POST, PUT, DELETE)

• Both frontend (ex. React + axios or fetch) and backend (ex. Express.js + MongoDB) use REST APIs

Request Body

• When you need to send data from a client (let’s say, a browser) to your API, you send it as a request body.
• A request body is data sent by the client to your API. A response body is the data your API sends to the client.
• Your API almost always has to send a response body. But clients don’t necessarily need to send request bodies all the time.

REST API Operations

The core operations of a REST API typically map to HTTP methods:

• GET: Retrieve data from the server.
• POST: Send data to the server to create a new resource.
• PUT: Update an existing resource on the server.
• DELETE: Remove a resource from the server.