Outage in SparkPost

Data processing delays for SparkPost customers - US and EU regions

Resolved Minor
December 05, 2025 - Started 11 days 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. Note: This issue does not impact our SparkPost customers hosted in the US region.
Components affected
SparkPost Metrics API - USA SparkPost Application - USA SparkPost Application - EUROPE SparkPost Metrics API - EUROPE

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Latest Updates ( sorted recent to last )
RESOLVED 11 days ago - at 12/05/2025 10:23PM

The incident has been resolved.

IDENTIFIED 11 days ago - at 12/05/2025 09:43PM

Metrics API is fully caught up. We are continuing work to restore full data availability in the UI.

IDENTIFIED 11 days ago - at 12/05/2025 08:24PM

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

INVESTIGATING 11 days ago - at 12/05/2025 07:16PM

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.
Note: This issue does not impact our SparkPost customers hosted in the US region.

Latest SparkPost outages

Delay in event processing. - 5 days ago
Longer than expected delays - 6 days ago
Data processing delays - 6 days ago
Increased error rates and latency from our APIs - 7 days ago
Data Process is delayed for Sparkpost US - EU - 9 days ago

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