Outage in SparkPost

Webhooks: Duplicate message events for some customers (US REGION)

Resolved Minor
January 16, 2024 - Started 10 months ago - Lasted about 1 hour
Official incident page

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Outage Details

Earlier today at 15:00 UTC we rolled out an update to the event webhooks framework in the US region and this caused some customers to receive events more than once (the incident ended at 20:30 UTC). While we don't guarantee zero duplication of data received via webhooks, this incident caused some customers to receive up to twice the number of events expected during this timeframe. We are letting you know because it resulted in a significant bump in webhooks traffic for some customers. (No extra action is necessary for those customers who already de-duplicate data using event_id.)
Components affected
SparkPost Event Webhooks - USA
Latest Updates ( sorted recent to last )
RESOLVED 10 months ago - at 01/16/2024 09:36PM

This incident has been resolved.

MONITORING 10 months ago - at 01/16/2024 08:47PM

Earlier today at 15:00 UTC we rolled out an update to the event webhooks framework in the US region and this caused some customers to receive events more than once (the incident ended at 20:30 UTC). While we don't guarantee zero duplication of data received via webhooks, this incident caused some customers to receive up to twice the number of events expected during this timeframe. We are letting you know because it resulted in a significant bump in webhooks traffic for some customers.
(No extra action is necessary for those customers who already de-duplicate data using event_id.)

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