SparkPost incident
Data processing delays for SparkPost customers - US and EU regions
SparkPost experienced a minor incident on December 5, 2025 affecting Metrics API - USA and SparkPost Application - USA and 1 more component, lasting 3h 6m. The incident has been resolved; the full update timeline is below.
Affected components
Metrics API - USASparkPost Application - USASparkPost Application - EUROPEMetrics API - EUROPE
Update timeline
- investigating Dec 05, 2025, 07:16 PM UTC
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.
- identified Dec 05, 2025, 08:24 PM UTC
The issue has been identified and a fix is being implemented.
- identified Dec 05, 2025, 09:43 PM UTC
Metrics API is fully caught up. We are continuing work to restore full data availability in the UI.
- resolved Dec 05, 2025, 10:23 PM UTC
The incident has been resolved.