From 9:08 AM PT - 9:22AM PT today, customers in the EU region may have experienced mail delay for up to 14 minutes. Customer may have received "Internal Deferral" errors when attempting to send mail at this time. Our engineers have investigated and resolved the issue. All impacted services are operating normally.

Our engineers have monitored the fix and confirmed the issue with CAPTCHA has been resolved. All services are now operating normally at this time.

Between 8:53 AM and 9:37 AM PST, customers may have experienced delays in email event processing, including click and open data. Our Engineers identified a bottleneck, and have resolved the issue. While email delivery continued with low execution times, the reporting of these events to the Stats API and your dashboard was delayed. However, all downstream queues, including Engagement Stats, have fully caught up as of 9:45 AM PST and are resolved at the time.

Our engineers have investigated and resolved an issue that occurred causing delays in timezone updates. On 03/03 ~2:09PM customers would have seen errors in the console when trying to update their timezone setting or while fetching timezones via /v3/timezones. A fix was deployed a fix on 03/04 ~7:48AM. This issuse has now been resolved

Our engineers have investigated and resolved the issues that began on 3/4/2026 from 8am PST to 3/9/2026 at 5pm PST that impacted the reporting for a subset of group unsubscribe and group resubscribe Event Webhooks. Users may have experienced issues with group unsubscribes and group resubscribes that were not processed, although the api calls for those events were processed. The issue has been resolved and all impacted services are operating normally.