Transmissions API injection elevated error rates/timeouts & Outbound message delivery is delayed/slow for some SparkPost and SparkPost Enterprise customers (US hosted only)
Incident Report for SparkPost
Resolved
This incident is resolved. Thank you for your patience and we apologize for any inconvenience. Please follow up with support or your Technical Account Manager if you have further questions.
Posted Jan 07, 2021 - 17:30 EST
Monitoring
Transmissions API error rates are now back to normal.
Posted Jan 07, 2021 - 17:01 EST
Update
We are implementing a fix for the issue and customer should see some improvements in the Transmissions API error rate
Posted Jan 07, 2021 - 16:59 EST
Update
All delayed analytics data has been loaded. We continue to work with our service provider on Transmissions API errors.
Posted Jan 07, 2021 - 16:47 EST
Identified
We are working with our service provider to resolve this issue.
Posted Jan 07, 2021 - 16:22 EST
Update
We are continuing to investigate this issue.
Posted Jan 07, 2021 - 16:13 EST
Update
We are continuing to investigate this issue.
Posted Jan 07, 2021 - 16:09 EST
Update
SparkPost Transmissions API is showing increase API latency. We are currently working with our service provider on remediation.
Posted Jan 07, 2021 - 16:07 EST
Update
We are continuing to investigate this issue.
Posted Jan 07, 2021 - 16:01 EST
Investigating
We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)

We are investigating delays in event deliveries, including the SparkPost Metrics API, Events API, and Webhook Delivery. (NOTE: This does not impact our customers hosted in the EU.)
Posted Jan 07, 2021 - 15:56 EST
This incident affected: Metrics API (Metrics API - USA), Transmissions API (Transmissions API - USA), Events API (Events API - USA), SMTP Delivery (Outbound Message Delivery) (SMTP Delivery - USA), and Event Webhook Delivery Service (Event Webhooks - USA).