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Which HTTP header is commonly used to specify API version in header-based versioning?

easy📝 Syntax Q12 of 15
Rest API - Versioning Strategies
Which HTTP header is commonly used to specify API version in header-based versioning?
AContent-Type
BUser-Agent
CAccept
DAuthorization
Step-by-Step Solution
Solution:
  1. Step 1: Identify common headers for versioning

    The Accept header is often used to specify the desired API version by content negotiation.
  2. Step 2: Exclude unrelated headers

    Content-Type specifies data format sent, Authorization is for credentials, and User-Agent identifies client software.
  3. Final Answer:

    Accept -> Option C
  4. Quick Check:

    Version in Accept header = D [OK]
Quick Trick: Version info usually goes in the Accept header [OK]
Common Mistakes:
  • Using Content-Type instead of Accept for versioning
  • Confusing Authorization with version header
  • Thinking User-Agent controls version

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