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    5. Idempotency

    Idempotency

    Public write endpoints require Idempotency-Key. Reuse the same key when retrying the same logical operation after a timeout or transport failure.

    Rules

    • Generate a unique key per logical write.
    • Reuse the key only for exact retries of that write.
    • Do not reuse a key across different payloads.
    • Treat 409 as a signal that the key was reused for a conflicting request.

    The SDK accepts an idempotencyKey option on write methods.

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