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When supporting multiple API versions via media type versioning, how should the server process the Accept header to return the correct version?

hard🚀 Application Q8 of Q15
Rest API - Versioning Strategies
When supporting multiple API versions via media type versioning, how should the server process the Accept header to return the correct version?
AParse the Accept header to identify the highest priority version requested and respond accordingly
BIgnore the Accept header and always return the latest API version
CReturn an error if multiple versions are requested in the Accept header
DUse the Content-Type header to determine the API version
Step-by-Step Solution
Solution:
  1. Step 1: Understand Accept header with multiple versions

    The Accept header can list multiple media types with quality values indicating preference.
  2. Step 2: Server behavior

    The server should parse the Accept header, determine the highest priority version requested, and serve that version.
  3. Final Answer:

    Parse the Accept header to identify the highest priority version requested and respond accordingly -> Option A
  4. Quick Check:

    Server respects Accept header priorities [OK]
Quick Trick: Server picks highest priority version from Accept header [OK]
Common Mistakes:
MISTAKES
  • Ignoring Accept header and always returning latest version
  • Using Content-Type header for version selection
  • Returning error when multiple versions are listed

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