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Retries, DLQ, and Replay

Webhook failures are normal. Praeto Dispatcher distinguishes transient failures from failures that should stop immediately.

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Retryable failures

Praeto retries network errors, timeouts, 408, 429, and 5xx responses.

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Non-retryable failures

Most 4xx responses are treated as terminal because they usually mean the endpoint URL, auth, request shape, or customer configuration is wrong.

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Dead-lettered deliveries

A delivery becomes dead_lettered when it exhausts retry attempts. DLQ records are retained for inspection and replay until retention cleanup removes old data.

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Replay

Invoke-RestMethod -Method POST `
  -Uri "$BaseUrl/v1/deliveries/$DeliveryId/replay" `
  -Headers @{ Authorization = "Bearer $ApiKey" }