Customer.io incident

Some customers are experiencing data processing and message-sending delays

Minor Resolved View vendor source →

Customer.io experienced a minor incident on July 20, 2026 affecting Data Processing and Message Sending, lasting 1h 22m. The incident has been resolved; the full update timeline is below.

Started
Jul 20, 2026, 09:35 PM UTC
Resolved
Jul 20, 2026, 10:58 PM UTC
Duration
1h 22m
Detected by Pingoru
Jul 20, 2026, 09:35 PM UTC

Affected components

Data ProcessingMessage Sending

Update timeline

  1. investigating Jul 20, 2026, 10:02 PM UTC

    Our engineers are currently looking into an issue that is causing data processing and message-sending delays for a small subset of customers in the US region. We apologise for any inconvenience caused.

  2. identified Jul 20, 2026, 10:29 PM UTC

    The issue has been identified and we're working on a fix. Thank you for your patience.

  3. monitoring Jul 20, 2026, 10:38 PM UTC

    A fix has been deployed, and we are processing any delayed backlogs. We are continuing to monitor the results.

  4. resolved Jul 20, 2026, 10:58 PM UTC

    This incident has been resolved and all backlogs have been processed.