Rest API - Advanced Patterns
You want to combine idempotency keys with rate limiting in your API. What is the best way to handle a client retrying a request with the same idempotency key but exceeding rate limits?
You want to combine idempotency keys with rate limiting in your API. What is the best way to handle a client retrying a request with the same idempotency key but exceeding rate limits?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand idempotency vs rate limiting
Idempotency keys ensure repeated requests return the same result; rate limiting controls request frequency.Step 2: Decide behavior on repeated requests exceeding limits
Returning cached response avoids penalizing retries and respects idempotency guarantees.Final Answer:
Return the cached response for the idempotency key despite rate limits -> Option CQuick Check:
Idempotency keys override rate limits on retries [OK]
Quick Trick: Return cached response on retries even if rate limited [OK]
Common Mistakes:
MISTAKES- Rejecting retries with rate limit errors
- Ignoring idempotency keys on rate limits
- Resetting rate limits incorrectly
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