Multiple ChoiceIntermediate 45s
Idempotency key design
Where should an idempotency key typically be introduced to make a POST safe to retry?
Options
- 1Supplied by the client and stored server-side to dedupe repeated requests
- 2Computed only from a payload hash and never stored server-side
- 3Generated by the database autoincrement column on first insert
- 4Added only in the response body so the caller can match replies
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