Customer.io status history
51 incidents over the last year, newest first; 99.99% uptime (90 days), 99.99% uptime (12 months). History from before down.guide started reading the page is imported from Customer.io's own archive.
Month
2026-11
1 incident
- Customer.ioPartial outageCustomers are Unable to add new Email Sending Domains
Customer.io says customers were unable to add new email sending domains. The provider identified the issue, and the incident is now resolved as of 2026-11-07 00:24 UTC.
Month
2026-10
1 incident
Month
2026-09
3 incidents
Month
2026-08
2 incidents
Month
2026-07
8 incidents
- Customer.ioPartial outageIssues accessing EU accounts
- Customer.ioDegradedSome EU users are experiencing delays in processing
- Customer.ioDegradedSome customers are experiencing data processing and message-sending delays
- Customer.ioPartial outageDelays in message sending
- Customer.ioDegradedSome customers are experiencing data processing delays
- Customer.ioOperationalDelays processing send events in some environments
- Customer.ioDegradedUser Interface is currently unavailable for some users in EU. Data processing delays
- Customer.ioDegradedUser Interface is currently unavailable, data processing delays
Month
2026-06
9 incidents
- Customer.ioDegradedSome customers are currently unable to access the account Billing page in our UI
- Customer.ioPartial outageInvestigating Connectivity Issues
- Customer.ioDegradedDelays in processing requests
- Customer.ioOperationalAI Agent and LLM Campaign Actions Disruption
- Customer.ioDegradedSome customers seeing delays setting up Pipelines in new EU workspaces
- Customer.ioDegradedSalesforce and Hubspot syncs might be delayed for some EU customers
- Customer.ioDegradedCustomer.io UI is currently inaccessible
- Customer.ioPartial outageUI inaccessible
- Customer.ioDegradedReverse ETL Syncs not being run for some EU Customers
Month
2026-05
3 incidents
Month
2026-04
7 incidents
- Customer.ioPartial outageDelay in Salesforce & Hubspot data-in integrations
- Customer.ioDegradedCustomer.io UI is currently unavailable for some customers
- Customer.ioOperationalSome customers in our EU region may experience errors and delays
- Customer.ioOperationalCustomer.io UI currently experiencing issues
- Customer.ioOperationalUnable to create event-driven campaigns
- Customer.ioPartial outageIntegration Destinations UI Disruption
- Customer.ioDegradedEU Region API Processing Delays
Month
2026-03
3 incidents
Month
2026-02
3 incidents
Month
2026-01
3 incidents
Month
2025-12
4 incidents
Month
2025-11
4 incidents
- Customer.ioDegradedTrouble loading User Interface in some workspace
- Customer.ioDegradedUS infrastructure delays with a subset of deliveries sending
- Customer.ioDegradedForms submissions experiencing intermittent delays
- Customer.ioDegradedLegacy in-app editing, delays receiving in-app messages and Journeys domain verification with Cloudflare
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