# Courier: All services impacted

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2025-10-20 09:19 UTC · Resolved: 2025-10-20 10:11 UTC · Duration: 52 min
- Updates: 4 · Affected components: Automations, API, Observability, Web Application, Courier Inbox
- [Vendor status page: https://stspg.io/dbl8v74y9xns](https://stspg.io/dbl8v74y9xns)
- [Company: Courier](https://rewindex.com/company/courier.md)

## Part of an outage event

- [AWS us-east-1 outage, Oct 20, 2025: 141 vendors, 181 incidents](https://rewindex.com/events/2025-10-20-aws-us-east-1)
- This incident blames AWS as the cause. (hop 1, posted +2 h 9 min vs AWS’s own post)
- Evidence: “…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…”

```mermaid
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 --- me
```

_Detected automatically from incidents that started together and named the same provider; a link means one incident named another vendor, not a confirmed cause._

## Timeline of updates

- **identified** 2025-10-20 09:19 UTC: An issue with our service provider, AWS, has impacted all Courier services. The engineering team is working on resolution.
- **identified** 2025-10-20 09:55 UTC: We are continuing to work on a fix for this issue.
- **monitoring** 2025-10-20 10:02 UTC: Service has been restored. Engineering is working through system review and will continue to monitor.
- **resolved** 2025-10-20 10:11 UTC: The incident has been resolved

## Rewindex changes for this incident

- 2025-10-20 09:19 UTC: [Critical incident: All services impacted](https://rewindex.com/change/iddfc4aba831444.md)


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Canonical: https://rewindex.com/company/courier/incidents/zrmb16cg3ysn · Markdown: https://rewindex.com/company/courier/incidents/zrmb16cg3ysn.md · JSON: https://rewindex.com/api/v1/companies/courier/incidents/zrmb16cg3ysn · Generated 2026-10-19T23:17:12.919Z