Resend experienced a minor incident on February 27, 2026 affecting Batch Emails and Single Email and 1 more component, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Feb 27, 2026, 05:55 PM UTC
Status: Investigating We are currently investigating increased latency in email sending. Emails are being accepted, though sent at a slower speed than expected. Affected components Batch Emails (Degraded performance) Single Email (Degraded performance) SMTP (Degraded performance) Broadcast Emails (Degraded performance)
- investigating Feb 27, 2026, 05:59 PM UTC
Status: Investigating We are currently investigating increased latency in email sending. At this time, you may experience delays when sending emails via our SMTP service and API. Affected components SMTP (Degraded performance) Broadcast Emails (Operational) Batch Emails (Degraded performance) Single Email (Degraded performance)
- identified Feb 27, 2026, 06:03 PM UTC
Status: Identified We've identified the cause of the latency and are working to mitigate it so we can return to normal sending speed. Affected components Single Email (Degraded performance) SMTP (Degraded performance) Broadcast Emails (Operational) Batch Emails (Degraded performance)
- monitoring Feb 27, 2026, 06:12 PM UTC
Status: Monitoring Sending speed is back to normal. We'll continue to monitor. Affected components Broadcast Emails (Operational) Batch Emails (Operational) Single Email (Operational) SMTP (Operational)
- resolved Feb 27, 2026, 06:30 PM UTC
Status: Resolved Performance is back to normal. Affected components SMTP (Operational) Broadcast Emails (Operational) Batch Emails (Operational) Single Email (Operational)