Use Cases
Software Products MSPs Schools Development & Marketing DevOps Agencies Help Desk
 
Internet Status Blog Pricing Log In Try IsDown for free now

Outage in Customer.io

US infrastructure delays with sending emails

Resolved Minor
November 24, 2025 - Started 3 months ago - Lasted 37 minutes
Official incident page

Incident Report

Our team is aware of an issue with Campaign deliveries and Transactional emails going out. We are currently looking into this.
Components affected
Customer.io Message Sending

Need to monitor Customer.io outages?

  • Monitor all your external dependencies in one place
  • Get instant alerts when outages are detected
  • Be the first to know if service is down
  • Show real-time status on private or public status page
  • Keep your team informed
Latest Updates ( sorted recent to last )
RESOLVED 3 months ago - at 11/24/2025 08:51AM

We confirm the incident has been resolved. The system is fully operational.

IDENTIFIED 3 months ago - at 11/24/2025 08:45AM

Transactional queue backlog is process, priority queue is still ongoing

IDENTIFIED 3 months ago - at 11/24/2025 08:38AM

We identified the issue, backlog is processing now

INVESTIGATING 3 months ago - at 11/24/2025 08:15AM

Our team is aware of an issue with Campaign deliveries and Transactional emails going out. We are currently looking into this.

The Status Page Aggregator with Early Outage Detection

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 5850 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook