Customer.io incident

UI inaccessible

Major Resolved View vendor source →

Customer.io experienced a major incident on June 2, 2026 affecting Management Interface, lasting 1h 39m. The incident has been resolved; the full update timeline is below.

Started
Jun 02, 2026, 09:18 PM UTC
Resolved
Jun 02, 2026, 10:57 PM UTC
Duration
1h 39m
Detected by Pingoru
Jun 02, 2026, 09:18 PM UTC

Affected components

Management Interface

Update timeline

  1. investigating Jun 02, 2026, 09:18 PM UTC

    Our team is aware of an issue affecting access to the Customer.io UI. Our team is working to identify the cause.

  2. monitoring Jun 02, 2026, 09:33 PM UTC

    A fix has been deployed for the issue affecting access to the UI. We are monitoring performance and customer feedback.

  3. identified Jun 02, 2026, 10:25 PM UTC

    Our team has identified additional UI-related issues affecting some customers. We are working on a fix now.

  4. monitoring Jun 02, 2026, 10:43 PM UTC

    We have rolled out a fix for the remaining UI-related issues and are watching system behavior closely.

  5. resolved Jun 02, 2026, 10:57 PM UTC

    The issues affecting the UI have been resolved, and the system is functioning normally.