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How long does Vonage retry inbound messages for the Messages and Dispatch APIs?


Question

How long does Vonage retry inbound messages on the Messages and Dispatch APIs?

Applies To

  • Messages API
  • Dispatch API
  • Callback Retry

Answer

Your handler must return a 200 status code to avoid unnecessary callback queuing. Customer webhooks that respond with HTTP 429 or 5XX responses will be attempted again by Vonage. The platform will initially retry callbacks with an interval of approximately 5 seconds, and back off exponentially to 1 minute, 5 minutes, and 15 minutes for 24 hours. After this, the callback will expire from the queue on the platform and no longer be retried.

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