Outage in SparkPost

Delay Processing Delays for March 26th

Resolved Minor
March 28, 2025 - Started 29 days ago - Lasted about 7 hours
Official incident page

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Outage Details

We identified an issue that caused historical data generation for March 26th to fail. A reprocessing job is currently underway. No data has been lost, and data is gradually becoming available in both the platform and API. We expect full availability within the next 1-2 hours. We’ll provide an update once processing is complete. Message injection and outbound message delivery are not impacted - all messages are flowing as expected.
Components affected
SparkPost Events API - EUROPE SparkPost Events API - USA SparkPost Application - USA SparkPost Application - EUROPE
Latest Updates ( sorted recent to last )
RESOLVED 29 days ago - at 03/28/2025 11:15PM

This incident has been resolved.

IDENTIFIED 29 days ago - at 03/28/2025 04:03PM

We identified an issue that caused historical data generation for March 26th to fail. A reprocessing job is currently underway. No data has been lost, and data is gradually becoming available in both the platform and API. We expect full availability within the next 1-2 hours. We’ll provide an update once processing is complete.

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

Latest SparkPost outages

Partial outage in MTA4 cluster - about 1 month ago
Outbound message delivery is delayed/slow for some SparkPost customers (EU hosted only) - about 2 months ago
Elevated error rates for some SparkPost customers injecting via SMTP in the US region. - 3 months ago
EU Delay in message processing - 3 months ago
Delayed email delivery in EU - 4 months ago

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