Customer.io Status
Real-time updates of Customer.io issues and outages
Customer.io status is Operational
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Customer.io Message Sending
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Last updated 1 minute ago from official status page. Learn more
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Active Incidents
No active incidents
Recently Resolved Incidents
Reduced Deliverability to Microsoft-Hosted Email Addresses
Started 4 Sep 2026 12:16:33 (3 days ago), resolved 4 Sep 2026 13:35:47 (3 days ago)
Incident without Impact
Resolved
Message Sending
We are currently investigating reports of reduced deliverability affecting messages sent to Microsoft-hosted email addresses. Our team is actively looking into this and we will provide an update as soon as we have more information. Thank you for your patience!
Customer.io Outage Survival Guide
A step-by-step guide to help you survive a Customer.io outage
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Customer.io Components
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Customer.io Javascript Tracker
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Customer.io Data Collection
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Customer.io Data Processing
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Customer.io Message Sending
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Reduced Deliverability to Microsoft-Hosted Email Addresses
Started 4 Sep 2026 12:16:33 (3 days ago), resolved 4 Sep 2026 13:35:47 (3 days ago)
Incident without Impact
Resolved
Message Sending
We are currently investigating reports of reduced deliverability affecting messages sent to Microsoft-hosted email addresses. Our team is actively looking into this and we will provide an update as soon as we have more information. Thank you for your patience!
Customer.io Management Interface
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Customer.io Knowledge Base
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Customer.io Third-Party Services
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Drag and drop email composer
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Email Composer Image Uploads
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Customer.io Alternatives
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