Outbound message delivery is delayed/slow for some SparkPost and SparkPost Enterprise customers (US hosted only)

Incident Report for SparkPost

Resolved

This incident has been resolved.
Posted Jun 24, 2021 - 12:44 EDT

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Jun 24, 2021 - 10:36 EDT

Update

We are continuing to investigate this issue.
Posted Jun 24, 2021 - 10:23 EDT

Investigating

We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)

Our data processing services are running behind and we're seeing intermittent slowness and elevated error rates on our reporting APIs. Specifically, some customers may see latency issues, 500 errors or a delay of data on:

Web UI
Metrics API
Events API
Posted Jun 24, 2021 - 10:17 EDT

Identified

The issue has been identified and a fix is being implemented.
Posted Jun 24, 2021 - 09:58 EDT

Investigating

We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)
Posted Jun 24, 2021 - 09:41 EDT
This incident affected: Metrics API (Metrics API - USA), Events API (Events API - USA), SparkPost Application (WebUI) (SparkPost Application - USA), and SMTP Delivery (Outbound Message Delivery) (SMTP Delivery - USA).