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
100.0 % uptime
Today
Message Sending Operational
90 days ago
100.0 % uptime
Today
Management Interface Operational
90 days ago
99.99 % 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.

Apr 17, 2026
Some customers in our EU region may experience errors and delays
Resolved - This incident has been resolved.
Apr 17, 20:16 UTC
Monitoring - A fix has been implemented and we are monitoring the results.
Apr 17, 20:13 UTC
Identified - The issue has been identified and a fix is being implemented.
Apr 17, 20:08 UTC
Investigating - We are currently investigating this issue.
Apr 17, 20:07 UTC
Apr 16, 2026
Customer.io UI currently experiencing issues
Resolved - Customers who are currently working in our UI are likely to have seen elevated errors or loading. Our engineers are aware, investigated, and have resolved this issue. Thank you for your patience and understanding!
Apr 16, 21:30 UTC
Apr 15, 2026
Unable to create event-driven campaigns
Resolved - We've identified an issue that was preventing the workflow builder from adding Event campaign triggers. This did not affect processing or deliveries for existing campaigns, only the workflow UI experience was impacted. This incident has already been resolved.
Apr 15, 20:30 UTC
Apr 14, 2026

No incidents reported.

Apr 13, 2026
Integration Destinations UI Disruption
Resolved - A fix has been deployed and the system's functionality is fully restored.
Apr 13, 18:31 UTC
Identified - The issue has been identified in the UI and a fix is being deployed.
Apr 13, 18:28 UTC
Investigating - Our team is aware of an issue affecting Integrations with destinations in EU/US. We are looking into this and gathering more details. Data import and export is still working, only the UI is effected.
Apr 13, 18:26 UTC
Apr 12, 2026

No incidents reported.

Apr 11, 2026

No incidents reported.

Apr 10, 2026

No incidents reported.

Apr 9, 2026

No incidents reported.

Apr 8, 2026

No incidents reported.

Apr 7, 2026
EU Region API Processing Delays
Resolved - Our engineers have identified the issue and have deployed a resolution. Processing delays are clearing up. Thank you very much for your patience!
Apr 7, 20:53 UTC
Update - We are continuing to investigate this and will be back again as soon as we have an update. Thank you for your continued patience!
Apr 7, 17:26 UTC
Investigating - Some customers in our EU region may be experiencing delays with processing data sent in through our API. Our team is investigating the cause and will provide an update soon. Thank you for your patience!
Apr 7, 16:46 UTC
Apr 6, 2026

No incidents reported.

Apr 5, 2026

No incidents reported.

Apr 4, 2026

No incidents reported.

Apr 3, 2026

No incidents reported.

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