Rest API - Advanced Patterns
Which HTTP method is most commonly associated with using idempotency keys to prevent duplicate operations?
Which HTTP method is most commonly associated with using idempotency keys to prevent duplicate operations?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall HTTP methods and idempotency
GET, HEAD, and OPTIONS are naturally idempotent; POST is not and often needs idempotency keys.Step 2: Identify method needing idempotency keys
POST requests create or change data and require idempotency keys to avoid duplicates on retries.Final Answer:
POST -> Option CQuick Check:
Idempotency keys mostly used with POST [OK]
Quick Trick: POST requests often need idempotency keys [OK]
Common Mistakes:
MISTAKES- Thinking GET needs idempotency keys
- Confusing HEAD or OPTIONS with POST
- Assuming all methods require keys
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