Outage in Customer.io

Customer.io Documentation website (https://docs.customer.io) may not be loading for some customers

Resolved Minor
October 20, 2025 - Started 8 days ago - Lasted about 20 hours
Official incident page

Incident Report

One of our upstream hosting providers is experiencing issues, which may cause intermittent problems for some customers trying to reach our documentation website: https://docs.customer.io. We apologize for the issue and will be monitoring this for when we can confirm the issue is fully resolved.
Components affected
Customer.io Knowledge Base

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Latest Updates ( sorted recent to last )
RESOLVED 7 days ago - at 10/21/2025 11:37AM

This incident has been resolved.

MONITORING 8 days ago - at 10/20/2025 04:03PM

One of our upstream hosting providers is experiencing issues, which may cause intermittent problems for some customers trying to reach our documentation website: https://docs.customer.io.

We apologize for the issue and will be monitoring this for when we can confirm the issue is fully resolved.

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