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ChangesCourierAll services impacted

Courier: Critical incident: All services impacted

Major incidentcritical (vendor)Changed Detected stspg.io (opens in new tab)
Summary

Summary pending. The diff below shows exactly what changed.

Incident page: the full timeline of updates

Part of an outage event

AWS us-east-1 outage, Oct 20, 2025 · 141 vendors, 181 incidents

Courier’s incident blames AWS as the cause. (hop 1, posted +2 h 9 min vs AWS’s own post)

“…All services impacted The incident has been resolved An issue with our service provider, AWS, has impacted all Courier services. The engineering team is working on resolution. Service has been restore…”

See the cascade chart and every vendor →

Detected automatically from incidents that started together and named the same provider. A link means one vendor’s incident named another, not a confirmed cause.

What changed

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

AddedTitle#1
Before: not present
After: All services impacted
AddedImpact#2
Before: not present
After: critical
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2025-10-20 09:19 UTC
AddedResolved time#5
Before: not present
After: 2025-10-20 10:11 UTC
AddedAffected components#6
Before: not present
After: API, Automations, Courier Inbox, Observability, Web Application
AddedUpdateidentified#7
Before: not present
After: An issue with our service provider, AWS, has impacted all Courier services. The engineering team is working on resolution.
AddedUpdateidentified#8
Before: not present
After: We are continuing to work on a fix for this issue.
AddedUpdatemonitoring#9
Before: not present
After: Service has been restored. Engineering is working through system review and will continue to monitor.
AddedUpdateresolved#10
Before: not present
After: The incident has been resolved

First version of this incident archived by Rewindex. View the live incident (opens in new tab).

History of this incident

Monday, October 20, 2025

1 incident change

All Courier changesCourier profileMarkdownJSON