[Solved] You want to build a REST API endpoint that lets clients filter products by category, sort by price descending, and select only 'id',... Which query string correctly enables this flexible querying? | Rest API

Rest API - Query Parameters and Filtering

You want to build a REST API endpoint that lets clients filter products by category, sort by price descending, and select only 'id', 'name', and 'price' fields. Which query string correctly enables this flexible querying?

A/products?filter=category=electronics&sort=price_desc&fields=id|name|price

B/products?filter=category=electronics&sort=-price&fields=id,name,price

C/products?category=electronics&order=desc_price&select=id,name,price

D/products?filter=category:electronics&sort=price-desc&fields=id;name;price

Step-by-Step Solution

Solution:

Step 1: Identify correct filter syntax
Filter uses 'filter=category=electronics' to select category.
Step 2: Identify correct sort syntax
Sort '-price' means descending by price.
Step 3: Identify correct fields syntax
Fields are comma-separated: 'fields=id,name,price'.
Final Answer:
/products?filter=category=electronics&sort=-price&fields=id,name,price -> Option B
Quick Check:
filter + sort desc + fields comma = /products?filter=category=electronics&sort=-price&fields=id,name,price [OK]

Quick Trick: Use filter=, sort=- for descending, fields=comma list [OK]

Common Mistakes:

Using wrong separators like ; or |
Incorrect sort syntax like 'price-desc' or 'price_desc'
Using 'select' instead of 'fields'

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More Rest API Quizzes

Which query string correctly enables this flexible querying?

Step 1: Identify correct filter syntax

Step 2: Identify correct sort syntax

Step 3: Identify correct fields syntax

Final Answer:

Quick Check:

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