Customer.io incident
Legacy in-app editing, delays receiving in-app messages and Journeys domain verification with Cloudflare
Resolved after 2 hours 22 minutes, affecting Management Interface, on November 18, 2025.
A fix has been implemented and we are monitoring the results.
Other major vendors with incidents that started within 30 minutes of this one
Affected components
Update timeline
- identified Nov 18, 2025, 12:28 PM UTC
Customers using the legacy in-app message editor may encounter issues when trying to edit messages. Sending and viewing of existing messages are not affected. The team has identified the root cause and is actively working to restore the functionality.
- identified Nov 18, 2025, 12:46 PM UTC
During the investigation, it was discovered that some customers are experiencing delays in receiving in-app messages.
- identified Nov 18, 2025, 01:18 PM UTC
The team is continuing to work towards a resolution.
- identified Nov 18, 2025, 01:46 PM UTC
Customers may experience issues when verifying new domains associated to Cloudflare. The team is continuing to work towards a resoltuion.
- identified Nov 18, 2025, 02:16 PM UTC
We are continuing to work on a fix for this issue.
- monitoring Nov 18, 2025, 02:43 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Nov 18, 2025, 02:51 PM UTC
This incident has been resolved.
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