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Is Customer.io Down? — CheckUpstream

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Customer.io.

OperationalLive

No — Customer.io is up.

1 day since last incident

30-day uptime

100.000%

30 days agotoday

Recent incidents (30d)

Customers in the EU region may experience delays in message sending
Minor
5/25/2026, 3:27:50 PM · resolved 5/25/2026, 4:20:08 PM · lasted 52m
Some customers in our EU region may experience errors and delays
Minor
5/6/2026, 4:00:02 PM · resolved 5/6/2026, 4:31:19 PM · lasted 31m

Official status page: https://status.customerio.com (opens in new tab)

Want history, per-window uptime, MTTR, and community signal data? See the Customer.io reliability page.