[Solved] Why is the following HTTP method usage incorrect? POST /items/123 HTTP/1.1 Content-Type: application/json {"price": 10} given that the client wants to update the price of item 123. | Rest API

Rest API - HTTP Methods

Why is the following HTTP method usage incorrect?

POST /items/123 HTTP/1.1
Content-Type: application/json

{"price": 10}

given that the client wants to update the price of item 123.

APOST cannot send JSON data

BPOST should not be used to update existing resources

CThe JSON body is missing required fields

DContent-Type header is invalid

Step-by-Step Solution

Solution:

Step 1: Understand HTTP method semantics
POST is mainly for creating resources, not updating existing ones.
Step 2: Identify correct method for update
PUT or PATCH should be used to update existing resources.
Final Answer:
POST should not be used to update existing resources -> Option B
Quick Check:
Update method = PUT/PATCH, not POST [OK]

Quick Trick: Use PUT or PATCH to update, not POST [OK]

Common Mistakes:

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