- Level
- confirmed
- Worst impact
- Partial outage
- Down Index
- 30of 100
What to do
Check whether your product depends on Customer.io. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Confirm your retries, queues and scheduled jobs caught up after the 2h 42m it lasted.
Anything that failed between 2026-06-13 21:18 UTC and 2026-06-14 00:00 UTC may need a replay.Subscribe to Customer.io's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=customerio works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from Customer.io 4
- investigating
We are aware of an issue affecting access to our web application. Customers may encounter ERR_CONNECTION_REFUSED when attempting to access the UI. At this time, we are not aware of any impact beyond UI accessibility. Message processing and delivery continue to operate normally. Our team is actively investigating the issue and working to restore full service as quickly as possible. We will provide updates as more information becomes available.
provider
- identified
The team has identified the issue and is actively working on a fix
provider
- monitoring
A fix has been implemented and the systems are recovering. We are monitoring UI for any other issue.
provider
- resolved
This incident has been resolved.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
Something wrong on this page? Report an error or send us a note. Every fix is listed here.
Questions about DWN-bc802d43a9
Is Customer.io still down?
No, this incident was resolved 2026-06-14 00:00 UTC. For Customer.io's live state, see https://down.guide/customerio.
How long did it last?
2h 42m, from 2026-06-13 21:18 UTC to 2026-06-14 00:00 UTC, by the times Customer.io posted.
What caused it?
Customer.io hasn't published a root cause. If it does, it shows here.
Where does this come from?
Customer.io's official status page, https://status.customerio.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.