SparkPost incident
Transmissions API - Elevated error rate in US region
SparkPost experienced a minor incident on October 20, 2025 affecting Transmissions API - USA, lasting 1h 13m. The incident has been resolved; the full update timeline is below.
Affected components
Transmissions API - USA
Update timeline
- investigating Oct 20, 2025, 10:55 AM UTC
We are currently investigating an increased error rate in the Transmissions API in the US region. A small percentage of customers may experience disruptions. Our team is actively working to identify the root cause and resolve the issue.
- resolved Oct 20, 2025, 12:09 PM UTC
This incident has been resolved.