Customer.io incident

Delays processing send events in some environments

Notice Resolved View vendor source →

Customer.io experienced a notice incident on July 10, 2026 affecting Message Sending, lasting 40m. The incident has been resolved; the full update timeline is below.

Started
Jul 10, 2026, 05:28 PM UTC
Resolved
Jul 10, 2026, 06:08 PM UTC
Duration
40m
Detected by Pingoru
Jul 10, 2026, 05:28 PM UTC

Affected components

Message Sending

Update timeline

  1. identified Jul 10, 2026, 05:28 PM UTC

    We're monitoring increased load on our backend that is causing a delay in processing sends. We are actively monitoring the issue and will share updates accordingly.

  2. monitoring Jul 10, 2026, 05:45 PM UTC

    A fix has been deployed and we are processing through any delay backlogs. We are continuing to monitor but expect delays to reduce shortly.

  3. resolved Jul 10, 2026, 06:08 PM UTC

    This incident has been resolved and any delays have been fully mitigated.