Increased error rates in Email Activity Feed API endpoint

Incident Report for SendGrid

Resolved

Our engineers have investigated and resolved issues with GET calls to the endpoint /v3/messages/{msgid}. From 7:24 AM PST until 7:47 AM PST, customers may have experienced up to 50% error rates when using this API endpoint, or when using the Email Activity Feed in the SendGrid UI. The issue has been resolved, and all impacted services are operating normally.

Posted Sep 29, 2025 - 09:58 PDT