Rest API - HTTP Methods
You want to design an API endpoint to update user preferences that can be safely called multiple times without unintended effects. Which HTTP method should you choose?
You want to design an API endpoint to update user preferences that can be safely called multiple times without unintended effects. Which HTTP method should you choose?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify safe repeated call requirement
The method must be idempotent to avoid unintended effects on multiple calls.Step 2: Choose method that replaces resource safely
PUT replaces the entire resource and is idempotent, making it suitable for updating preferences safely multiple times.Final Answer:
PUT -> Option AQuick Check:
Idempotent update = PUT [OK]
Quick Trick: Use PUT for safe repeated updates without side effects [OK]
Common Mistakes:
MISTAKES- Choosing POST which is not idempotent
- Using PATCH which may cause side effects
- Confusing OPTIONS with update method
Master "HTTP Methods" in Rest API
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