Courier: All services impacted
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…”
Swipe sideways to see the whole diagram.
Mermaid source
flowchart LR
root["AWS us-east-1<br/>posted 07:11 UTC"]:::root
before["Posted before AWS did<br/>5 vendors, 4 blamed AWS<br/>Salesforce, Descope, Ashby +2"]:::blames
root --> before
h1["Within an hour<br/>18 vendors, 17 blamed AWS<br/>Asana, Firebolt, Monday.com +15"]:::blames
root --> h1
h4["1 to 4 hours later<br/>30 vendors, 29 blamed AWS<br/>SingleStore, Loops, Buildkite +27"]:::blames
root --> h4
later["Later<br/>45 vendors, 44 blamed AWS<br/>RudderStack, Airbyte, Unbounce +42"]:::blames
root --> later
p0["Twilio<br/>posted +15 min"]:::blames
root --> p0
k0["BigCommerce<br/>+2 h 46 min"]:::hop2
p0 -->|"blamed Twilio"| k0
p1["Webflow<br/>posted +4 h 37 min, did not name AWS"]:::timing
root -.-> p1
k1["Rootly<br/>+10 h 23 min"]:::hop2
p1 -->|"blamed Webflow"| k1
p2["Baseten<br/>posted +4 min"]:::blames
root --> p2
k2["Zed<br/>+26 h 20 min"]:::hop2
p2 -->|"blamed Baseten"| k2
me["Courier (this incident)<br/>posted +2 h 9 min"]:::me
h4 --- meFull event: timeline, evidence and all vendors →
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.
Affected components: AutomationsAPIObservabilityWeb ApplicationCourier Inbox
Timeline of updates
- identified
An issue with our service provider, AWS, has impacted all Courier services. The engineering team is working on resolution.
- identified
We are continuing to work on a fix for this issue.
- monitoring
Service has been restored. Engineering is working through system review and will continue to monitor.
- resolved
The incident has been resolved
Changes Rewindex caught on this incident
- Oct 20, 2025Critical incident: All services impacted
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).