Outage in SendGrid

Marketing Campaigns: Single Sends are Unable to Send

Resolved Major
September 11, 2025 - Started about 1 month ago - Lasted about 3 hours
Official incident page

Incident Report

Starting at 3:50PM PST on September 11th, our engineers began investigating an issue with Marketing Campaigns. Customers may experience issues with initiating and sending Single Sends, and their dashboards are not populating with stats. This does impact Mail Send specific to Marketing Campaigns. This does not impact Mail Send for API/SMTP. We will provide another update in an hour or as soon as more information is available.
Components affected
SendGrid Marketing Campaigns

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Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 09/12/2025 01:49AM

Our engineers have monitored the fix and confirmed the issue with Single Sends has been resolved. All services are now operating normally at this time.

MONITORING about 1 month ago - at 09/12/2025 12:45AM

Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.

IDENTIFIED about 1 month ago - at 09/11/2025 11:52PM

Our engineers have identified the issue and are working toward a fix. New Single Sends should no longer be impacted by this issue. We will provide another update in hour or as soon as more information becomes available.

INVESTIGATING about 1 month ago - at 09/11/2025 10:56PM

Starting at 3:50PM PST on September 11th, our engineers began investigating an issue with Marketing Campaigns. Customers may experience issues with initiating and sending Single Sends, and their dashboards are not populating with stats. This does impact Mail Send specific to Marketing Campaigns. This does not impact Mail Send for API/SMTP. We will provide another update in an hour or as soon as more information is available.

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