SparkPost experienced a minor incident on December 11, 2025 affecting Metrics API - USA and Events API - USA and 1 more component, lasting 3h 51m. The incident has been resolved; the full update timeline is below.
Affected components
Metrics API - USAEvents API - USASparkPost Application - USAEvent Webhooks - USA
Update timeline
- investigating Dec 11, 2025, 06:36 PM UTC
There is a delay in our events pipeline. This is causing metrics, events and webhooks to be delayed for a portion of data. Message sending is not effected.
- monitoring Dec 11, 2025, 10:18 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Dec 11, 2025, 10:28 PM UTC
This incident has been resolved.