Segment Outage History

Segment experienced a major incident where Audience Previews failed to load for some customers through the web interface. The issue prevented users from accessing audience preview functionality for 18 minutes. The problem was resolved and Audience Preview returned to normal operation.

Segment's Reverse ETL syncs experienced failures for 3.3 hours, preventing data synchronization processes from completing successfully. The engineering team identified the root cause and implemented a fix that restored normal sync functionality. The incident was resolved after monitoring confirmed that syncs were proceeding without failures.

Segment's Amazon Event Bridge and Amazon Personalize Destinations experienced elevated error rates for 1.4 hours due to a recent update that caused the issue. The team identified the problematic update as the root cause, implemented a fix by reverting the change, and confirmed full recovery of the affected destinations. All impacted events were automatically retried with no additional action required from users.

Segment experienced an issue preventing EU customers from accessing Audiences overview pages in the UI for 48 minutes. The problem was isolated to the user interface only and did not affect underlying data processing. Engineering resolved the issue and restored full access to the Audiences overview page for EU users.

Segment experienced degraded performance in the Audiences and Journeys web interface, causing slow loading times and intermittent UI errors for users. The issue affected the web interface for 12.4 hours while the engineering team worked to identify the root cause and implement mitigation measures. The problem was fully resolved after the team successfully mitigated the underlying issue.

Segment's Marketo Cloud Source experienced sync failures due to Adobe Marketo APIs being down, causing data processing delays. The incident affected all Marketo source syncs within Segment's platform. The issue was resolved after 33 minutes once Marketo's APIs were restored.