Unverified50% confidenceSolutionExact time
To ensure idempotency, event.id should be stored in a database table with a unique constraint or in Redis, and before processing you should first check whether it already exists, and if it does, return 200 directly and skip the business logic.
1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen
Sources
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