[Solved] A client sends this header:Accept: application/vnd.example.v1+jsonBut the server responds with version 2 data. What is the likely cause? | Rest API

Rest API - Versioning Strategies

A client sends this header:
Accept: application/vnd.example.v1+json
But the server responds with version 2 data. What is the likely cause?

AAccept header syntax is invalid

BClient sent wrong Content-Type header

CServer does not support version 2

DServer ignores Accept header and defaults to latest version

Step-by-Step Solution

Solution:

Step 1: Analyze client request and server response
The client requests version 1 via Accept header, but server returns version 2 data.
Step 2: Identify server behavior
This usually means the server ignores the Accept header and serves the latest version by default.
Final Answer:
Server ignores Accept header and defaults to latest version -> Option D
Quick Check:
Server ignoring Accept header causes version mismatch [OK]

Quick Trick: Mismatch means server likely ignores Accept header [OK]

Common Mistakes:

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