Resend: Intermittent latency spikes on our emails API
Affected components: Single EmailBroadcast EmailsBatch EmailsScheduled Emails
Timeline of updates
- 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.
- identified
We have identified the issue and we are working on a fix now.
- monitoring
The fix has been pushed and we are now monitoring the situation.
- resolved
We have resolved the underlying issue and service has been resumed.
Changes Rewindex caught on this incident
- Incident updated: Intermittent latency spikes on our emails API
- Incident updated: Intermittent latency spikes on our emails API
- Incident updated: Intermittent latency spikes on our emails API
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves these records existed by then and have not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-23 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
2c8d3940ba9fa171…Version 2 captured
In the 2026-10-23 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
1ddc1bfb7595718f…Version 3 captured
In the 2026-10-23 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
ef6e2e6d21d70e84…Version 4 captured
In the 2026-10-23 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
9ec2c0d3ba7ef1b1…
Impact, status and times are the vendor’s own, as last archived. View on resend-status.com (opens in new tab).