Retroactive Incident - Failures Processing Subset of Webhook Events

Incident Report for SendGrid

Resolved

Our engineers have investigated and resolved the issues that began on 3/4/2026 from 8am PST to 3/9/2026 at 5pm PST that impacted the reporting for a subset of group unsubscribe and group resubscribe Event Webhooks. Users may have experienced issues with group unsubscribes and group resubscribes that were not processed, although the api calls for those events were processed. The issue has been resolved and all impacted services are operating normally.

Posted Mar 04, 2026 - 07:30 PST