Is Customer.io down?
Behavioural messaging.
Severity over 90 days
From the incidents published by the provider. Maintenance excluded.
Downtime over 90 days
What to do if Customer.io is down
Check it isn't your side
Open another site. If it loads, your connection is fine.
Read the official source
Customer.io's status page is authoritative. It is the one we poll every 5 minutes.
Official status page →See what people are reporting
Outages often surface on X before Customer.io publishes them.
“Customer.io down” reports on X →Know when it is back
Rather than reloading this page, leave your address: the alert goes out as soon as it updates.
Incident history
Published by Customer.io
Official source
Data from Customer.io's public status page.
Official status pageFrequently asked questions
Is Customer.io down right now?
As of the last check (2026-09-17 00:32 UTC), Customer.io reports “Operational” on its official status page. No ongoing incident is published.
What is Customer.io's uptime over the last 90 days?
Customer.io shows 100.00% uptime over the last 90 days, across 0 published incident(s).
How do I get notified automatically when Customer.io goes down?
Create a free alert on Upstream Status: as soon as an incident is published on Customer.io's status page, you get an email (or a Slack/webhook notification on a paid plan).