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ChangesCustomer.ioDelays in message sending

Customer.io: Major incident: Delays in message sending

Major incidentdegradation (model (Jev), 100%)Changed Detected status.customerio.com (opens in new tab)
Summary

Summary pending. The diff below shows exactly what changed.

Incident page: the full timeline of updates

What changed

Struck in red is what Customer.io removed; blue is what they added. Muted text is unchanged context.

AddedTitle#1
Before: not present
After: Delays in message sending
AddedImpact#2
Before: not present
After: major
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2026-07-20 17:47 UTC
AddedResolved time#5
Before: not present
After: 2026-07-20 17:47 UTC
AddedAffected components#6
Before: not present
After: Message Sending
AddedUpdateinvestigating#7
Before: not present
After: Our team is currently investigating an issue delaying message sending in the US and EU regions
AddedUpdatemonitoring#8
Before: not present
After: A fix has been implemented and we're monitoring the results.
AddedUpdateresolved#9
Before: not present
After: This incident has been resolved.

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History of this incident

Monday, July 20

1 incident change

Cite this

Major incident: Delays in message sending on Customer.io’s status page, changed 2026-07-20 17:47 UTC (change 1 of 1).

Title
Major incident: Delays in message sending
Vendor
Customer.io
Date
URL
https://rewindex.com/change/i560c565f41c4ad

All Customer.io changesCustomer.io profileMarkdownJSON