Rest API - URL and Resource Design
You want to design an API to manage blog posts and their comments. Which endpoint naming is best for retrieving all comments of a post with ID 45?
You want to design an API to manage blog posts and their comments. Which endpoint naming is best for retrieving all comments of a post with ID 45?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Use plural for collections and singular for single resources
Posts and comments are collections, so plural form is preferred.Step 2: Combine plural post resource with post ID and plural comments
The correct endpoint is/posts/45/commentsto get all comments for post 45.Final Answer:
/posts/45/comments -> Option DQuick Check:
Nested plural resources with ID = A [OK]
Quick Trick: Use plural resource names and IDs for nested collections [OK]
Common Mistakes:
- Mixing singular and plural inconsistently
- Adding unnecessary /list suffix
- Using singular for collections
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