which http method used for update and why code example

Example 1: http request methods in api

HTTP request method is made up of five  components:
Request Method ==> Get, Post, Put, Delete (these are
the common ones)
Request URL ==> the URL of the resource
Request Header ==> Accept-Language, AcceptEncoding, User-Agent, Host
Request Body ==> This is the data to be sent to the
resource
Request Query Parameters : key value pair 
		 	
HTTP response method is made up of three components:
Response Status Code ==> 200, 301, 404, 500
(these are the most common ones)
Response Header Fields ==> Date, Server, LastModified, Content-Type
Response Body ==> This is the data that comes
back to the client from the server.

Example 2: types of method in api

GET	is used for reading and retrieving data.
POST	is used for inserting data.
PUT	is used for updating data.
DELETE	is used for deleting data.

The primary or most-commonly-used HTTP verbs (or methods, as they are properly called) are POST, GET, PUT, PATCH, and DELETE. These correspond to create, read, update, and delete (or CRUD) operations, respectively.