Outage in SparkPost

Data Process is delayed for Sparkpost US - EU

Resolved Minor

December 08, 2025 - Started about 2 months ago - Lasted about 3 hours
Official incident page

Incident Report

Our data processing services are running behind; some customers may see a delay of data available via the: - SparkPost App (webUI): Signals Reports - Events API - Metrics API Message injection and outbound message delivery are not impacted - all messages are flowing as expected.

Components affected

SparkPost Metrics API - USA SparkPost Events API - USA SparkPost Application - USA SparkPost Application - EUROPE SparkPost Metrics API - EUROPE SparkPost Events API - EUROPE

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Latest Updates ( sorted recent to last )

RESOLVED about 2 months ago - at 12/08/2025 05:33AM

This incident has been resolved.

IDENTIFIED about 2 months ago - at 12/08/2025 04:51AM

We are continuing to work on a fix for this issue.

IDENTIFIED about 2 months ago - at 12/08/2025 04:26AM

We have been able to catch up all data from the 5th and are working on the 6th now.

IDENTIFIED about 2 months ago - at 12/08/2025 03:21AM

The issue has been identified and a fix is being implemented.

INVESTIGATING about 2 months ago - at 12/08/2025 02:24AM

Our data processing services are running behind; some customers may see a delay of data available via the:

- SparkPost App (webUI): Signals Reports
- Events API
- Metrics API

Message injection and outbound message delivery are not impacted - all messages are flowing as expected.

Latest SparkPost outages

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Delays in sending emails to Microsoft domains - 16 days ago

Delay in event processing. - about 2 months ago

Longer than expected delays - about 2 months ago

Data processing delays - about 2 months ago

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