Outage in Customer.io
Customers are Unable to add new Email Sending Domains
Resolved MajorIncident Report
Summary AI Generated
Customer.io experienced a 32-minute major incident where users were unable to add new email sending domains via the Management Interface. The issue was identified and resolved within the same timeframe. Service was fully restored by 00:24 UTC on November 7, 2026.
We are currently investigating this issue.
Components affected
Customer.io Management InterfaceTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
7 days ago - at 11/07/2026 12:24AM
This incident has been resolved.
IDENTIFIED
7 days ago - at 11/07/2026 12:03AM
We have identified the issue and are working to resolve the matter.
INVESTIGATING
7 days ago - at 11/06/2026 11:53PM
We are currently investigating this issue.
Latest Customer.io outages
Some customers may experience delays in message sending - about 2 months ago
Reduced Deliverability to Microsoft-Hosted Email Addresses - 2 months ago
Investigating issues with the Agent - 2 months ago
Customer.io UI is inaccessible - 3 months ago
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