Rest API - URL and Resource Design
You want to design a REST API path to access all reviews for a specific product variant. The product ID is 20 and the variant ID is 5. Which path correctly represents this hierarchical resource?
You want to design a REST API path to access all reviews for a specific product variant. The product ID is 20 and the variant ID is 5. Which path correctly represents this hierarchical resource?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the resource hierarchy
Reviews belong to a variant, which belongs to a product. So the path should start with product ID, then variant ID, then reviews.Step 2: Construct the path in correct order
The correct order is /products/20/variants/5/reviews to show this nested relationship clearly.Final Answer:
/products/20/variants/5/reviews -> Option CQuick Check:
Parent to child order: product -> variant -> reviews [OK]
Quick Trick: Order path segments from general to specific resource [OK]
Common Mistakes:
- Placing reviews before products or variants
- Mixing order of product and variant IDs
- Using unrelated resource order
Master "URL and Resource Design" in Rest API
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