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Why is it important to use hierarchical resource paths in REST APIs instead of flat paths?

hard📝 Conceptual Q10 of 15
Rest API - URL and Resource Design
Why is it important to use hierarchical resource paths in REST APIs instead of flat paths?
AThey reduce the number of API endpoints needed
BThey make URLs shorter and simpler
CThey allow mixing unrelated resources in one path
DThey clearly show resource relationships and improve API clarity
Step-by-Step Solution
Solution:
  1. Step 1: Understand the purpose of hierarchical paths

    Hierarchical paths represent how resources relate, like parent-child, making API structure clear.
  2. Step 2: Compare with flat paths

    Flat paths do not show relationships clearly, which can confuse API users.
  3. Final Answer:

    They clearly show resource relationships and improve API clarity -> Option D
  4. Quick Check:

    Hierarchical paths = clear resource relationships [OK]
Quick Trick: Hierarchy shows resource links, improving API understanding [OK]
Common Mistakes:
MISTAKES
  • Thinking hierarchy shortens URLs
  • Believing it reduces endpoints
  • Assuming unrelated resources should be mixed

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