Rest API - HTTP Methods
You want to design an API endpoint that allows clients to safely check if a resource exists without modifying it. Which HTTP method should you use and why?
You want to design an API endpoint that allows clients to safely check if a resource exists without modifying it. Which HTTP method should you use and why?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify method for safe existence check
HEAD requests retrieve headers only, no body, and do not modify data.Step 2: Match method to requirement
HEAD is ideal to check resource existence safely.Final Answer:
HEAD, because it retrieves headers without body and is safe -> Option CQuick Check:
Safe existence check = HEAD [OK]
Quick Trick: HEAD checks resource existence safely without body [OK]
Common Mistakes:
MISTAKES- Using POST for checking existence
- Confusing DELETE with safe method
- Using PUT incorrectly
Master "HTTP Methods" in Rest API
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