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HTTP status: 429 · Title: “Replay limit reached”

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When it fires

POST /v1/webhooks/events/{eventId}/redeliver was called for an event that has already been redelivered the maximum of 5 times.

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Why it happens

  • Your integration called the redeliver endpoint in a loop instead of fixing the underlying delivery problem.
  • An automation redelivered without checking previous attempts.
  • A genuine need to redeliver one event many times, which is unusual and usually points to an endpoint problem.
The cap stops a leaked key from using the redeliver endpoint to flood your own webhook endpoint.

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How to fix

  • Stop redelivering this event. The cap is per event, so other events can still be redelivered.
  • Fix the delivery failure first. Check delivery status with GET /v1/webhooks/events, or the webhookDelivery field on GET /v1/trades/{id}.
  • If you legitimately need more redeliveries of one event (for example after a long endpoint outage), contact ZeroID support.
See Webhooks.