Idempotency keys
Retry your own requests safely without sending a webhook twice.
2 min read
Networks fail in the middle of requests. If your call to Sluice times out, you cannot know whether the event was stored. An idempotency key makes it safe to try again.
Sluice remembers each key for 24 hours. A second request with the same key returns the first response and sends nothing new.
Choosing a key
Build the key from the thing that happened, not from a random value. inv_8841-paid is a good key because the same invoice can only be paid once.
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