Customer.io incident

Some US customers may experience delays in message sending

Minor Resolved View vendor source →

Customer.io experienced a minor incident on September 19, 2026 affecting Message Sending, lasting 27m. The incident has been resolved; the full update timeline is below.

Started
Sep 19, 2026, 10:50 PM UTC
Resolved
Sep 19, 2026, 11:17 PM UTC
Duration
27m
Detected by Pingoru
Sep 19, 2026, 10:50 PM UTC

Affected components

Message Sending

Update timeline

  1. investigating Sep 19, 2026, 10:50 PM UTC

    We are currently investigating this issue.

  2. identified Sep 19, 2026, 10:52 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Sep 19, 2026, 11:10 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Sep 19, 2026, 11:17 PM UTC

    This incident has been resolved.