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Segment Outage History

Every past Segment outage tracked by IsDown, with detection times, duration, and resolution details.

There were 332 Segment outages since December 2018. The 45 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor May 8, 2026

May 2026: Reddit Conversions API destination is experiencing delivery failures

Detected May 8, 2026 2:59 AM WEST · Resolved May 8, 2026 6:28 AM WEST · Duration about 3 hours

Segment's Reddit Conversions API destination experienced delivery failures for 3.5 hours due to a widespread AWS outage in the us-east-1 region that affected Reddit's infrastructure. The Destinations component was impacted, preventing events from flowing through to Reddit's conversion tracking system. Service was restored once Reddit's infrastructure recovered from the AWS outage.

Major April 29, 2026

April 2026: Destinations Failing to Load in UI

Detected Apr 29, 2026 3:49 PM WEST · Resolved Apr 29, 2026 8:21 PM WEST · Duration about 5 hours

Segment experienced a major incident where the Destinations page failed to load in the application UI for some customers, specifically affecting workspaces with connected RETL destinations. The issue lasted 4.5 hours before being resolved with a deployed fix that restored normal loading functionality for all previously impacted workspaces.

Major April 13, 2026

April 2026: Audience Preview Unavailable

Detected Apr 13, 2026 8:02 PM WEST · Resolved Apr 13, 2026 8:20 PM WEST · Duration 18 minutes

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.

Major April 9, 2026

April 2026: Reverse ETL syncs experiencing partial disruptions

Detected Apr 9, 2026 5:40 PM WEST · Resolved Apr 9, 2026 8:56 PM WEST · Duration about 3 hours

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.

Minor April 7, 2026

April 2026: Amazon Event Bridge and Amazon Personalize Destinations are experiencing elevated error rates

Detected Apr 7, 2026 6:07 PM WEST · Resolved Apr 7, 2026 7:32 PM WEST · Duration about 1 hour

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.

Minor March 17, 2026

March 2026: Audiences Overview Pages are Failing to Load in the EU

Detected Mar 17, 2026 6:55 PM WET · Resolved Mar 17, 2026 7:43 PM WET · Duration about 1 hour

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.

Minor March 9, 2026

March 2026: Degraded performance in Audiences and Journeys UI

Detected Mar 9, 2026 2:40 PM WET · Resolved Mar 10, 2026 3:03 AM WET · Duration about 12 hours

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.

Minor February 26, 2026

February 2026: Marketo Cloud Source Sync Delay

Detected Feb 26, 2026 5:51 AM WET · Resolved Feb 26, 2026 6:24 AM WET · Duration 33 minutes

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.