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Why is versioning important in REST APIs?

easy📝 Conceptual Q11 of 15
Rest API - Versioning Strategies
Why is versioning important in REST APIs?
AIt makes the API run faster.
BIt reduces the number of API endpoints.
CIt allows clients to use old API features without breaking when new changes happen.
DIt automatically fixes bugs in the API.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of versioning

    Versioning separates different stages of an API so changes don't break existing clients.

  2. Step 2: Identify the benefit for clients

    Clients can keep using the old API version safely while new versions add features or fix bugs.

  3. Final Answer:

    It allows clients to use old API features without breaking when new changes happen. -> Option C

  4. Quick Check:

    Versioning prevents breaking changes = B [OK]
Quick Trick: Versioning keeps old and new APIs separate to avoid breakage [OK]
Common Mistakes:
  • Thinking versioning speeds up the API
  • Believing versioning reduces endpoints
  • Assuming versioning fixes bugs automatically

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