# Customer.io: Investigating Connectivity Issues

> Customer.io status incident “Investigating Connectivity Issues” on 2026-06-14: impact major (vendor’s label), 0 min, 4 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/customer-io/incidents/d8kbv2c6dw19
Last updated: 2026-06-14T00:00:13Z

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-06-14 00:00 UTC · Resolved: 2026-06-14 00:00 UTC · Duration: 0 min
- Updates: 4
- [Vendor status page: https://status.customerio.com/incidents/d8kbv2c6dw19](https://status.customerio.com/incidents/d8kbv2c6dw19)
- [Company: Customer.io](https://rewindex.com/company/customer-io.md)

## Timeline of updates

- **investigating** 2026-06-13 21:18 UTC: 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.
- **identified** 2026-06-13 22:21 UTC: The team has identified the issue and is actively working on a fix
- **monitoring** 2026-06-13 23:46 UTC: A fix has been implemented and the systems are recovering. We are monitoring UI for any other issue.
- **resolved** 2026-06-14 00:00 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-06-14 00:00 UTC: [Major incident: Investigating Connectivity Issues](https://rewindex.com/change/idf88565c1f174f.md)

## Cite this

Status incident (vendor impact label: major) posted by Customer.io, started 2026-06-14 00:00 UTC, resolved after 0 min, 4 update(s).

- Canonical URL: https://rewindex.com/company/customer-io/incidents/d8kbv2c6dw19
- Citation: Customer.io, “Investigating Connectivity Issues” (2026-06-14 00:00 UTC). Archived by Rewindex: https://rewindex.com/company/customer-io/incidents/d8kbv2c6dw19 (CC BY 4.0).
- Markdown link: `[Customer.io: Investigating Connectivity Issues (2026-06-14)](https://rewindex.com/company/customer-io/incidents/d8kbv2c6dw19)`


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Canonical: https://rewindex.com/company/customer-io/incidents/d8kbv2c6dw19 · Markdown: https://rewindex.com/company/customer-io/incidents/d8kbv2c6dw19.md · JSON: https://rewindex.com/api/v1/companies/customer-io/incidents/d8kbv2c6dw19 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:16:42.898Z