Customer.io outage, 6 November 2026

Customers are Unable to add new Email Sending Domains

Started
Resolved
7 Nov 2026, 00:24 UTC (after 31 min)
Impact
Major
Affected
Management Interface

Is this still happening?

No. Customer.io marked this incident resolved on 7 Nov 2026, 00:24 UTC, 31 min after it began.

Right now: Customer.io reports all systems operational. (as of 13 Nov, 20:53 UTC) Live Customer.io status

At a glance

Our summary from the Customer.io incidents we have recorded since 6 May 2026 - how we count.

Last update from Customer.io

This incident has been resolved.

7 Nov 2026, 00:24 UTC

Read the full incident on the official Customer.io status page

Similar Customer.io incidents

Earlier incidents with the same affected part or wording - useful to see how long this kind of problem usually takes.

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  2. , resolved after 1 h 4 min

    Some customers seeing delays setting up Pipelines in new EU workspaces

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    Customer.io UI is currently unavailable for some customers

  4. , resolved after 26 min

    Customer.io UI is inaccessible

  5. , resolved after 33 min

    Delays in processing and UI inaccessible for some customers in the US datacentre

Other recent Customer.io incidents

  1. Some US customers may experience delays in message sending

  2. Reduced Deliverability to Microsoft-Hosted Email Addresses

  3. Investigating issues with the Agent

  4. Issues accessing EU accounts

  5. Some EU users are experiencing delays in processing

  6. Some customers are experiencing data processing and message-sending delays

  7. Delays in message sending

  8. Some customers are experiencing data processing delays

All recorded Customer.io incidents

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