Outage in Kustomer

[OUTBOUND WEBHOOKS] Outbound Webhooks API errors in Prod2 and Prod4

Resolved Minor
December 09, 2025 - Started about 1 month ago - Lasted about 1 hour
Official incident page

Incident Report

Kustomer is aware of an event affecting outbound webhook delivery in our Prod2 environment. Customers may experience failures due to 404 and 503 errors when the platform attempts to send outbound webhooks. Our team is actively investigating the cause and working toward a resolution. Please expect additional updates within the next 30 minutes, and reach out to Kustomer Support at support@kustomer.com if you have additional questions or concerns.
Components affected
Kustomer Web/Email/Form Hooks

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Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 12/10/2025 04:52AM

Kustomer has resolved the event that impacted outbound webhooks in the Prod2 and Prod4 environments. The backported fix has been fully deployed, and webhook delivery is functioning as expected across all affected environments. Our team has verified stability, and no further impact is anticipated.

If you have additional questions or concerns, please reach out to Kustomer support at support@kustomer.com

MONITORING about 1 month ago - at 12/10/2025 04:22AM

Kustomer has implemented a fix for the event impacting outbound webhooks in the Prod2 and Prod4 environments. We are backporting this fix across environments, and our team is monitoring to ensure service stability and continued recovery.

Please expect additional updates within the next 30 minutes, and reach out to Kustomer support at support@kustomer.com if you have additional questions or concerns.

IDENTIFIED about 1 month ago - at 12/10/2025 03:55AM

We are continuing to work on a fix for this issue.

IDENTIFIED about 1 month ago - at 12/10/2025 03:38AM

Kustomer is aware of an event affecting outbound webhook delivery in our Prod2 environment. Customers may experience failures due to 404 and 503 errors when the platform attempts to send outbound webhooks.

Our team is actively investigating the cause and working toward a resolution.
Please expect additional updates within the next 30 minutes, and reach out to Kustomer Support at support@kustomer.com if you have additional questions or concerns.

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