Resolved after 1 hour 20 minutes, affecting API v3 and SMTP and 1 more, on May 22, 2026.
Our engineers have monitored the fix and confirmed the issue with SenderAuth and Whitelabel domains has been resolved. All services are now operating normally at this time.
Affected components
Update timeline
- investigating May 22, 2026, 05:30 PM UTC
Starting around 10:17AM on May 22 2026, our engineers began investigating an issue affecting SenderAuth and Whitelabel domains. A subset of customers may be experiencing errors when calling the /v3/domains endpoint. We will provide another update as soon as more information becomes available.
- monitoring May 22, 2026, 05:51 PM UTC
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.
- resolved May 22, 2026, 06:50 PM UTC
Our engineers have monitored the fix and confirmed the issue with SenderAuth and Whitelabel domains has been resolved. All services are now operating normally at this time.
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