Honeycomb.io incident
Email notifications for SLOs, Triggers, and Anomaly Detection not sending
Resolved after 1 hour, affecting ui.honeycomb.io - US1 Trigger & SLO Alerting and ui.eu1.honeycomb.io - EU1 Trigger & SLO Alerting, on October 22, 2026.
Between 03:53 PM UTC to 4:08 PM UTC we saw email send failures elevate in which a small number of customers (10 enterprise, 8 self-serve, and 1 pro plan) were impacted. This came to 508 emails in total, or ~1% of our daily email send. We are working to ensure this failure mode is not able to happen again.
Affected components
Update timeline
- identified Oct 22, 2026, 04:06 PM UTC
We have identified an issue where emails for SLOs, Triggers, and Anomaly Detection are not sending. We are working to fix.
- resolved Oct 22, 2026, 05:07 PM UTC
Between 03:53 PM UTC to 4:08 PM UTC we saw email send failures elevate in which a small number of customers (10 enterprise, 8 self-serve, and 1 pro plan) were impacted. This came to 508 emails in total, or ~1% of our daily email send. We are working to ensure this failure mode is not able to happen again.
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