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Kustomer Outage History

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

There were 186 Kustomer outages since June 2019. The 32 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor June 9, 2026

June 2026: [Channels] [Platform Latency] [Prods 1 and 2]

Detected Jun 9, 2026 10:00 AM EDT · Resolved Jun 9, 2026 11:21 AM EDT · Duration about 1 hour

Kustomer experienced a platform latency issue affecting Chat and Email channels that caused delayed message delivery and slower conversation load times. The incident lasted 1.4 hours and was classified as minor severity. The team identified and resolved the root cause, with all affected areas fully restored after a monitoring period.

Minor June 2, 2026

June 2026: Chats, Emails, Routing latency PROD 1

Detected Jun 2, 2026 10:47 AM EDT · Resolved Jun 2, 2026 11:55 AM EDT · Duration about 1 hour

Kustomer experienced latency issues affecting chat and email channels, causing delays in sending, receiving, and routing messages for 1.1 hours. The incident was caused by an underlying infrastructure change that impacted message delivery across the platform. The issue was resolved by reverting the problematic infrastructure change, fully restoring all affected services.

Minor May 26, 2026

May 2026: WhatsApp messages failing Prods 1 + 2

Detected May 26, 2026 6:14 PM EDT · Resolved May 26, 2026 8:22 PM EDT · Duration about 2 hours

Kustomer experienced a WhatsApp messaging failure that affected chat channels across production environments 1 and 2 for 2.2 hours. The company implemented an update to address the issue and monitored the fix to ensure platform stability. The incident was fully resolved with teams confirming recovery and reaching out to affected organizations for follow-up.

Minor May 14, 2026

May 2026: Chat - Messages Failing & Assistant Issues - Prod-1

Detected May 14, 2026 12:24 PM EDT · Resolved May 14, 2026 1:26 PM EDT · Duration about 1 hour

Kustomer experienced a chat service incident on Prod-1 that caused messages to fail and chat assistants to not follow their configured flows. The issue affected the Chat channel component for approximately 1 hour before the team implemented a fix and monitored the resolution. All affected areas were fully restored after careful monitoring confirmed the update successfully resolved the problem.

Minor May 1, 2026

May 2026: [Gmail]Email Connectivity & Send/Receive Issues - Prod 1 & Prod 2

Detected May 1, 2026 9:39 AM EDT · Resolved May 1, 2026 10:20 AM EDT · Duration 41 minutes

Kustomer experienced a 41-minute incident affecting Gmail connectivity and email send/receive functionality across Prod 1 and Prod 2 environments. The issue prevented emails from routing into the Kustomer platform and impacted users' ability to send messages on conversations. The team identified the root cause, deployed a fix, and fully restored all affected email channel functionality.

Minor April 24, 2026

April 2026: [DRAFTS] Internal API Errors (Prod1)

Detected Apr 24, 2026 4:03 PM EDT · Resolved Apr 24, 2026 5:51 PM EDT · Duration about 2 hours

Kustomer experienced internal API errors and latency issues on their Prod1 environment that affected chat and email channels for 1.8 hours. The incident was resolved by releasing a software update after careful monitoring to ensure full restoration of all affected services.

Minor April 14, 2026

April 2026: [Knowledge Base] [Custom Domains returning 500 error] [POD(s) AFFECTED]

Detected Apr 14, 2026 10:44 AM EDT · Resolved Apr 14, 2026 11:17 AM EDT · Duration 33 minutes

Kustomer experienced a 33-minute incident where Knowledge Bases and forms were displaying 500 error codes, preventing users from accessing these pages. The issue was resolved by performing a rollback in the affected area, restoring full functionality to all impacted services.

Minor March 19, 2026

March 2026: [AIC/AIR] AIC/AIR May Not Respond - Prod 1

Detected Mar 19, 2026 10:42 AM EDT · Resolved Mar 19, 2026 2:29 PM EDT · Duration about 4 hours

Kustomer experienced a 3.8-hour outage where AI features for customers and representatives became unresponsive, affecting the chat channel functionality. The incident impacted Kustomer's AI Agent features, preventing them from responding to user interactions. The issue was resolved after the team implemented an update and confirmed full restoration of all affected AI services.