Is Customer.io down?

Last checked 4m ago
Current status
Customer.io is up

No incidents right now.

Official status page: https://status.customerio.com · Polled every 5 minutes · 8 components tracked

Customer.io is operational right now. Last checked 4m ago; the most recent incident resolved 9d ago.

Real-time Customer.io status, recent outages, and incident history — pulled directly from Customer.io's official status page at https://status.customerio.com every 5 minutes. Pingoru tracks 8 Customer.io services and has captured 13 incidents in the last 90 days (97.98% uptime). Get email, Slack, Discord, or webhook alerts the moment Customer.io reports a new incident — free for 5 monitors, no credit card.

Users who monitor Customer.io also follow these Marketing services: Mailgun Klaviyo Iterable Braze Brevo ZoomInfo Optimizely SurveyMonkey Yotpo Litmus View all 6,000+ providers
Customer.io uptime 97.98% uptime · past 90 days
Mon Wed Fri
JunJulAugSep
Less More

Recent outages & incidents

Past 90 days
  1. Resolved 1h 19m
    Started Sep 04, 2026, 12:16 PM UTC · Resolved Sep 04, 2026, 01:35 PM UTC
    Message Sending
    Timeline · 3 updates
    • investigating · Sep 04, 2026, 12:16 PM UTC

      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!

    • monitoring · Sep 04, 2026, 12:30 PM UTC

      Starting around 08:00 UTC, Microsoft began experiencing an incident causing an increased volume of deferred/bounced emails. We are actively monitoring the situation. No other email providers are currently affected.

    • resolved · Sep 04, 2026, 01:35 PM UTC

      Microsoft has resolved the underlying issue, we are seeing deliveries to their services resume as normal. Earlier bounces will be retried accordingly. We appreciate your understanding and please do reach out to support if you need any further assistance.

    Latest: Microsoft has resolved the underlying issue, we are seeing deliveries to their services resume as normal. Earlier bounces will be retried accordingly. We appreciate your understand…

  2. Resolved 4m
    Started Sep 03, 2026, 05:29 PM UTC · Resolved Sep 03, 2026, 05:34 PM UTC
    Timeline · 3 updates
    • identified · Sep 03, 2026, 05:29 PM UTC

      Our team has found an issue causing degraded experiences for interactions with the Agent within customer.io. We are working on a fix now.

    • monitoring · Sep 03, 2026, 05:32 PM UTC

      A fix has been implemented and we are monitoring the results.

    • resolved · Sep 03, 2026, 05:34 PM UTC

      This incident has been resolved.

    Latest: This incident has been resolved.

  3. Resolved 26m
    Started Aug 05, 2026, 05:36 PM UTC · Resolved Aug 05, 2026, 06:02 PM UTC
    Management Interface
    Timeline · 4 updates
    • investigating · Aug 05, 2026, 05:36 PM UTC

      We are currently investigating this issue.

    • monitoring · Aug 05, 2026, 05:44 PM UTC

      A fix has been implemented and we are monitoring the results.

    • monitoring · Aug 05, 2026, 05:44 PM UTC

      We are continuing to monitor for any further issues.

    • resolved · Aug 05, 2026, 06:02 PM UTC

      This incident has been resolved.

    Latest: This incident has been resolved.

  4. Resolved 33m
    Started Aug 03, 2026, 07:08 AM UTC · Resolved Aug 03, 2026, 07:42 AM UTC
    Data ProcessingManagement Interface
    Timeline · 3 updates
    • investigating · Aug 03, 2026, 07:17 AM UTC

      Our team is currently investigating an issue that is causing some delays in data processing. This impacts a small subset of customers in the US datacentre.

    • investigating · Aug 03, 2026, 07:20 AM UTC

      We are continuing to investigate this issue.

    • resolved · Aug 03, 2026, 07:42 AM UTC

      This incident has been resolved. Thanks for your patience.

    Latest: This incident has been resolved. Thanks for your patience.

  5. Resolved 15m
    Started Jul 31, 2026, 02:24 PM UTC · Resolved Jul 31, 2026, 02:39 PM UTC
    Management Interface
    Timeline · 4 updates
    • investigating · Jul 31, 2026, 02:24 PM UTC

      We are currently investigating an issue impacting access to EU accounts and API access. There is no impact with data processing or data loss.

    • identified · Jul 31, 2026, 02:29 PM UTC

      The issue has been identified and a fix is being implemented.

    • monitoring · Jul 31, 2026, 02:33 PM UTC

      A fix has been implemented and we are monitoring the results.

    • resolved · Jul 31, 2026, 02:39 PM UTC

      This incident is resolved.

    Latest: This incident is resolved.

See the full Customer.io outage history

8 more incidents in the last 90 days, plus the full multi-year archive of per-service events and update timelines.

Browse Customer.io outage history →

Or sign up free to get alerts when Customer.io breaks · 10 free monitors · No credit card

Outage history

Past 90 days · 13 incidents View full outage history →