Resend experienced a minor incident on January 27, 2026 affecting Batch Emails and Email Events and 1 more component, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jan 27, 2026, 05:19 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 Email Events (Degraded performance) SMTP (Degraded performance) Broadcast Emails (Degraded performance) Batch Emails (Degraded performance) Single Email (Degraded performance)
- monitoring Jan 27, 2026, 05:43 PM UTC
Status: Monitoring We have identified the issue causing delays in email delivery. Our services are processing the backlog and should be up to date within a few minutes. Also, we want to make it clear that no emails were lost. Affected components Single Email (Degraded performance) Email Events (Degraded performance) SMTP (Degraded performance) Broadcast Emails (Degraded performance) Batch Emails (Degraded performance)
- resolved Jan 27, 2026, 05:50 PM UTC
Status: Resolved Our systems have caught up with the delayed emails and are healthy again. No emails were lost during the period of degraded performance. Affected components SMTP (Operational) Broadcast Emails (Operational) Batch Emails (Operational) Single Email (Operational) Email Events (Operational)