Rest API - URL and Resource Design
You want to design a REST API URL to get all comments for a specific post by a user. Which URL structure best communicates this meaning?
You want to design a REST API URL to get all comments for a specific post by a user. Which URL structure best communicates this meaning?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the resource hierarchy
The main resource is the user, then the specific post by that user, then the comments on that post.Step 2: Check URL clarity and order
/user/789/post/456/comments follows the logical order: user ID, post ID, then comments, making it clear and meaningful.Step 3: Eliminate confusing options
Other options mix order or place comments before user/post, which is less clear.Final Answer:
/user/789/post/456/comments -> Option AQuick Check:
Parent resource then child then sub-resource = B [OK]
Quick Trick: Order URL from general to specific resource [OK]
Common Mistakes:
- Mixing resource order
- Placing comments before user/post
- Ignoring resource hierarchy
Master "URL and Resource Design" in Rest API
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