All Systems Operational

Uptime over the past 90 days. View historical uptime.
Javascript Tracker Operational
90 days ago
100.0 % uptime
Today
Data Collection Operational
90 days ago
100.0 % uptime
Today
Data Processing Operational
90 days ago
99.97 % uptime
Today
Message Sending Operational
90 days ago
100.0 % uptime
Today
Management Interface Operational
90 days ago
99.93 % uptime
Today
Knowledge Base Operational
90 days ago
100.0 % uptime
Today
Third-Party Services Operational
90 days ago
100.0 % uptime
Today
Drag and drop email composer Operational
90 days ago
100.0 % uptime
Today
Email Composer Image Uploads Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Jun 17, 2026

No incidents reported today.

Jun 16, 2026

No incidents reported.

Jun 15, 2026

No incidents reported.

Jun 14, 2026
Investigating Connectivity Issues
Resolved - This incident has been resolved.
Jun 14, 00:00 UTC
Monitoring - A fix has been implemented and the systems are recovering.
We are monitoring UI for any other issue.
Jun 13, 23:46 UTC
Identified - The team has identified the issue and is actively working on a fix
Jun 13, 22:21 UTC
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.
Jun 13, 21:18 UTC
Jun 13, 2026
Jun 12, 2026

No incidents reported.

Jun 11, 2026

No incidents reported.

Jun 10, 2026
Delays in processing requests
Resolved - This incident has been resolved.
Jun 10, 05:17 UTC
Monitoring - 5% of our customers could have experience delays up to 40minutes, but going forward everything is working correctly
Jun 10, 05:15 UTC
Update - Identified the issue, still processing backlog
Jun 10, 04:56 UTC
Investigating - Our team is aware of an issue affecting Customer IO EU and US systems . We are looking into this and gathering more details.
Jun 10, 04:45 UTC
Jun 9, 2026
AI Agent and LLM Campaign Actions Disruption
Resolved - This incident has been resolved. Thank you for your patience!
Jun 9, 16:56 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 9, 16:47 UTC
Identified - Our engineers have identified the issue that is causing disruption. We are working on a resolution and will provide an update shortly. Thank you for your patience.
Jun 9, 16:33 UTC
Investigating - We are currently investigating an issue affecting our AI Agent and LLM actions within campaigns. Some customers may be experiencing disruption or delays with these features. We will provide an update as soon as we have more information. Thank you for your patience!
Jun 9, 15:49 UTC
Jun 8, 2026

No incidents reported.

Jun 7, 2026

No incidents reported.

Jun 6, 2026

No incidents reported.

Jun 5, 2026
Some customers seeing delays setting up Pipelines in new EU workspaces
Resolved - This incident has been resolved.
Jun 5, 13:35 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Jun 5, 13:12 UTC
Investigating - We are currently investigating a delay affecting the setup of Pipelines in newly created workspaces in our EU region. Customers creating new workspaces may experience longer than expected wait times before Pipelines become available.

Our team is actively working on this and we will post another update shortly. Thank you for your patience.
Jun 5, 12:30 UTC
Salesforce and Hubspot syncs might be delayed for some EU customers
Resolved - We confirm the incident is resolved. Thank you for your patience!
Jun 5, 01:15 UTC
Monitoring - We have rolled out a fix and we're monitoring closely.
Jun 5, 00:44 UTC
Identified - We've identified an issue affecting some EU customers' Salesforce and Hubspot syncs. Our team is working on a fix.
Jun 4, 23:50 UTC
Jun 4, 2026
Customer.io UI is currently inaccessible
Resolved - This incident has been resolved.
Jun 4, 13:42 UTC
Monitoring - We've got a fix in place, and the UI is available once again. Thank you for your patience!
Jun 4, 13:39 UTC
Investigating - Our team is aware of this issue and are digging into it right now. We apologize for the inconvenience and will be back with an update as soon as possible.
Jun 4, 13:34 UTC
Jun 3, 2026

No incidents reported.

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