Is Customer.io Message Sending down right now?

No, Customer.io Message Sending is operational. This component is functioning normally with no reported issues.

What is Customer.io Message Sending?

Customer.io Message Sending is a critical component of Customer.io's infrastructure. This component plays an essential role in the overall service delivery and user experience. We monitor Customer.io Message Sending continuously to track its availability, performance, and health metrics.

How can I get alerts for Customer.io Message Sending?

You can subscribe to receive instant notifications about Customer.io Message Sending status changes, including outages, performance issues, and maintenance activities. Our notification system provides real-time alerts via email when this component experiences issues or when service is restored.

Statusfield

Customer.io Message Sending Status

Operational

customer.io ↗

checked Sep 11, 2026 10:58 AM UTC · Customer.io Message Sending's official status page

Is Customer.io Message Sending Having Issues?

No. Customer.io Message Sending is up and running.

Customer.io Message Sending is currently operational with all systems functioning normally.

Email only. No password. Free.

All Customer.io components

Service health

The record

90 day period · not affected by the range above

Availability

99.99%

This component only

Incidents

Recorded for Message Sending

Longest incident

1h 3m

Single worst stretch

Availability counts operational or degraded time as available for this component alone. Partial outages count as half downtime and major outages count in full, scheduled maintenance is excluded from the calculation, and periods with no recorded status are counted as available rather than assumed down. Figures cover this component only — the service-wide record is on the Message Sending service page.

Be the first to know

Statusfield watches Customer.io Message Sending alongside the rest of your stack and tells you when its status changes. Email, Slack, Microsoft Teams, PagerDuty, and webhooks.

Email only. No password. Free.

Frequently asked questions about Customer.io Message Sending

Common questions about monitoring Message Sending and reading its status.

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