Outage in Resend
Delayed broadcast sending
Resolved Minor
September 15, 2026 - Started 3 days ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
Resend experienced a ~1.3-hour delay in broadcast email sending on September 15, 2026, affecting broadcasts started after 15:05 UTC, which became stuck in a queued state. No emails were lost, and affected broadcasts resumed automatically once the issue was mitigated and the backlog began clearing at 16:22 UTC. No user action was required.
We are investigating delays in broadcast sending. Broadcasts started after 15:05 UTC may stay in a queued state and make little or no progress.
No emails have been lost. Affected broadcasts remain queued and will continue sending once the backlog clears.
We have identified the cause and are working on a mitigation. Next update in 30 minutes.
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Latest Updates ( sorted recent to last )
MONITORING
3 days ago - at 09/15/2026 04:22PM
Broadcast sending has recovered and the queued backlog is draining.
Broadcasts that were delayed are sending now. No emails were lost and no action is required: affected broadcasts continue automatically and do not need to be resent.
We are monitoring until the backlog is fully clear.
IDENTIFIED
3 days ago - at 09/15/2026 03:49PM
We are investigating delays in broadcast sending. Broadcasts started after 15:05 UTC may stay in a queued state and make little or no progress.
No emails have been lost. Affected broadcasts remain queued and will continue sending once the backlog clears.
We have identified the cause and are working on a mitigation. Next update in 30 minutes.
Latest Resend outages
Increased latency in WebHooks - 2 days ago
Delays in background processes are affecting webhooks, domain verifications, and other important features - 14 days ago
Delay in contact webhooks delivery - 15 days ago
Increased latency across API endpoints - 30 days ago
Contact webhook events are delayed in delivery - about 1 month ago
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