[Solved] In a REST API, what scenario typically results in a 422 Unprocessable Entity response? — Ans: When the request syntax is correct but the semantic content is invalid | Rest API

Rest API - HTTP Status Codes

In a REST API, what scenario typically results in a 422 Unprocessable Entity response?

AWhen the requested resource is not found on the server

BWhen the request syntax is correct but the semantic content is invalid

CWhen the client is unauthorized to access the resource

DWhen the server encounters an unexpected error

Step-by-Step Solution

Solution:

Step 1: Understand HTTP status codes
422 indicates the server understands the request syntax but cannot process the instructions due to semantic errors.
Step 2: Differentiate from other codes
404 means resource not found, 401 means unauthorized, 500 means server error, none of which fit semantic validation issues.
Final Answer:
When the request syntax is correct but the semantic content is invalid -> Option B
Quick Check:
422 = semantic error, not syntax or auth [OK]

Quick Trick: 422 means semantic errors, not syntax or auth issues [OK]

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In a REST API, what scenario typically results in a 422 Unprocessable Entity response?