SparkPost incident
Webhook delays for some SparkPost customers (US hosted only)
Resolved after 2 hours 27 minutes, affecting Event Webhooks - USA, on November 20, 2025.
This issue has been resolved. We apologize for any inconvenience it may have cause.
Affected components
Update timeline
- investigating Nov 20, 2025, 03:56 PM UTC
Our webhook data delivery services are running behind and some customers may see a delay in data streamed to their webhook endpoints. Message injection and outbound message delivery is not impacted - all messages are flowing as expected. Note: This issue does not impact our SparkPost customers hosted in the EU.
- identified Nov 20, 2025, 04:12 PM UTC
The issue has been identified and a fix is being implemented.
- monitoring Nov 20, 2025, 05:16 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Nov 20, 2025, 10:09 PM UTC
This issue has been resolved. We apologize for any inconvenience it may have cause.
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