Customer.io incident

Delays in message sending

Major Resolved View vendor source →

Customer.io experienced a major incident on July 20, 2026 affecting Message Sending, lasting 40m. The incident has been resolved; the full update timeline is below.

Started
Jul 20, 2026, 05:07 PM UTC
Resolved
Jul 20, 2026, 05:47 PM UTC
Duration
40m
Detected by Pingoru
Jul 20, 2026, 05:07 PM UTC

Affected components

Message Sending

Update timeline

  1. investigating Jul 20, 2026, 05:07 PM UTC

    Our team is currently investigating an issue delaying message sending in the US and EU regions

  2. monitoring Jul 20, 2026, 05:41 PM UTC

    A fix has been implemented and we're monitoring the results.

  3. resolved Jul 20, 2026, 05:47 PM UTC

    This incident has been resolved.