# Courier

- Domain: courier.com · Category: comms
- Status page: https://status.courier.com (polled every 10 minutes; now operational)
- Incidents archived: 61 (19 major/critical, 0 maintenances), history since 2020-06-27
- Last 90 days: 2 incidents; open now: 0
- Silently edited or deleted incidents: 0

## How Courier reports incidents

Not enough incidents to compare yet (needs 20 in a year and 10 with full update detail; has 8 and 50).

## Dependencies (observed)

| Depends on | Signal | Blamed in | Hosting | Integration | Events | Declared |
| --- | --- | --- | --- | --- | --- | --- |
| AWS (Amazon Web Services) | high | 7 | 0 | 1 | 6 |  |
| Cloudflare | medium | 1 | 0 | 0 | 0 |  |
| GitHub | medium | 1 | 0 | 0 | 0 |  |
| Microsoft Teams | low | 0 | 0 | 1 | 0 |  |

## Incidents by year

| Year | Incidents | Major/critical | Maintenance | Median duration |
| --- | --- | --- | --- | --- |
| 2020 | 2 | 1 | 0 | 9.2 h |
| 2021 | 3 | 2 | 0 | 1.8 h |
| 2022 | 8 | 2 | 0 | 1.5 h |
| 2023 | 11 | 7 | 0 | 1.3 h |
| 2024 | 15 | 5 | 0 | 2.9 h |
| 2025 | 15 | 1 | 0 | 1.1 h |
| 2026 | 7 | 1 | 0 | 1.3 h |

## Pricing

_No structured pricing extracted yet._

## Recent notable changes

| When (UTC) | Change | Summary |
| --- | --- | --- |
| 2026-02-02 20:07 UTC | [Critical incident: Courier Multi Service Outage](https://rewindex.com/change/ifb1e211c4166f3.md) | pending |
| 2025-10-20 09:19 UTC | [Critical incident: All services impacted](https://rewindex.com/change/iddfc4aba831444.md) · [AWS us-east-1 outage](https://rewindex.com/events/2025-10-20-aws-us-east-1) | pending |
| 2024-10-24 22:38 UTC | [Major incident: Delayed Message Processing](https://rewindex.com/change/i261702242d69e8.md) | pending |
| 2024-10-10 16:46 UTC | [Major incident: Courier Inbox FetchMessages Connectivity Issues](https://rewindex.com/change/i9cdd7fe89b4699.md) | pending |
| 2024-08-19 18:32 UTC | [Major incident: Delay in Message Processing](https://rewindex.com/change/if54c4fe6dea29b.md) | pending |
| 2024-07-09 03:00 UTC | [Major incident: Rendering Errors for Email Templates](https://rewindex.com/change/ic7171e0bd12bd6.md) | pending |
| 2024-06-26 01:52 UTC | [Major incident: AWS serviceUnavailable Outage](https://rewindex.com/change/i8d2e53f5d0cb6c.md) | pending |
| 2023-11-02 15:58 UTC | [Major incident: Message send delays](https://rewindex.com/change/i602741fb132744.md) | pending |
| 2023-07-26 22:04 UTC | [Major incident: Inbox messages degradation for versions lower than v2](https://rewindex.com/change/ie2bec991700fa9.md) | pending |
| 2023-07-21 18:02 UTC | [Major incident: Delay in the messages sent out](https://rewindex.com/change/ife770038b9fe4f.md) | pending |

Full timeline: [Courier changes](https://rewindex.com/company/courier/changes.md)
## Silent edits and deletions

_None._

## Page change history

| Page | URL | Versions | Last changed (UTC) | History |
| --- | --- | --- | --- | --- |
| Privacy policy | [https://courier.com/privacy](https://courier.com/privacy) | 1 | 2026-10-19 |  |
| Subprocessors | [https://courier.com/subprocessors](https://courier.com/subprocessors) | 1 |  |  |
| Terms of service | [https://courier.com/terms](https://courier.com/terms) | 1 | 2026-10-19 |  |

_No page changes since the first snapshot._

## Latest 61 incidents

| Started (UTC) | Incident | Impact | Duration | Edited |
| --- | --- | --- | --- | --- |
| 2026-10-10 00:25 UTC | [Queued Messages](https://rewindex.com/company/courier/incidents/zh0gwtb128bx.md) | minor | 15 min |  |
| 2026-10-09 23:15 UTC | [Delayed Messages](https://rewindex.com/company/courier/incidents/rwvv978pr1hd.md) | minor | 37 min |  |
| 2026-06-18 20:11 UTC | [Send Pipeline Latency](https://rewindex.com/company/courier/incidents/w4y19wjkh0br.md) | minor | 1.9 h |  |
| 2026-05-27 23:06 UTC | [Slack Deliverability Issues](https://rewindex.com/company/courier/incidents/vs5b4dnhyjvg.md) | minor | 10 min |  |
| 2026-02-02 20:07 UTC | [Courier Multi Service Outage](https://rewindex.com/company/courier/incidents/cv1zdf44t9nt.md) | critical | 3.1 h |  |
| 2026-01-29 23:13 UTC | [Observability Degradation](https://rewindex.com/company/courier/incidents/lh2htbwzl46n.md) | minor | -793 min |  |
| 2026-01-14 21:47 UTC | [Courier Web App Performance](https://rewindex.com/company/courier/incidents/l96dlv0z4d4h.md) | minor | 3.1 h |  |
| 2025-10-20 09:19 UTC | [All services impacted](https://rewindex.com/company/courier/incidents/zrmb16cg3ysn.md) · [AWS us-east-1 outage](https://rewindex.com/events/2025-10-20-aws-us-east-1) | critical | 52 min |  |
| 2025-10-17 05:33 UTC | [Microsoft Teams Tenant Id Errors](https://rewindex.com/company/courier/incidents/b6h4m22g9w7t.md) | minor | 29 min |  |
| 2025-10-13 16:19 UTC | [Mailgun Message Delivery Latency](https://rewindex.com/company/courier/incidents/shpwdb09r6v8.md) | none | 0 min |  |
| 2025-10-08 15:16 UTC | [Message Delivery Latency](https://rewindex.com/company/courier/incidents/scb67w5f3t3m.md) | none | -377 min |  |
| 2025-07-07 21:10 UTC | [Webapp HTTP Interaction Issues](https://rewindex.com/company/courier/incidents/vlr43gtpk239.md) | minor | 18 min |  |
| 2025-06-12 19:30 UTC | [Cloudflare Outage Possible Okta SSO Impact](https://rewindex.com/company/courier/incidents/bj5vf41wh845.md) · [Google Cloud outage](https://rewindex.com/events/2025-06-12-google-cloud) | minor | 1.1 h |  |
| 2025-06-05 18:51 UTC | [Message Delays on Send Pipeline](https://rewindex.com/company/courier/incidents/dvhft09mlq8c.md) | minor | 1.3 h |  |
| 2025-05-16 14:28 UTC | [EU Region – Notifications Stuck in “Queued” State](https://rewindex.com/company/courier/incidents/g5l4vcks32hn.md) | none | 6.6 h |  |
| 2025-04-30 22:39 UTC | [AWS SES Failures](https://rewindex.com/company/courier/incidents/h6ft752zx6m8.md) | minor | 6.3 h |  |
| 2025-02-28 16:48 UTC | [Internal Courier Error Issue](https://rewindex.com/company/courier/incidents/92yqw7cnbxqh.md) | minor | 11 h |  |
| 2025-02-21 15:55 UTC | [Segment Event Processing Slowdowns](https://rewindex.com/company/courier/incidents/f3r9wjkp299m.md) | minor | 1.3 h |  |
| 2025-02-18 14:22 UTC | [Significant Notification Event Latency](https://rewindex.com/company/courier/incidents/fz7kz9x4dscz.md) | minor | 25 min |  |
| 2025-02-13 22:32 UTC | [Courier Send and Message Event Slowdown](https://rewindex.com/company/courier/incidents/11htlds4cqhz.md) · [AWS outage](https://rewindex.com/events/2025-02-13-aws) | minor | 36 min |  |
| 2025-02-11 22:15 UTC | [Delay in Message Sends and Processing](https://rewindex.com/company/courier/incidents/rk8ldkwdg8bd.md) | minor | 53 min |  |
| 2025-01-11 01:23 UTC | [Automation Delay Processing Issues](https://rewindex.com/company/courier/incidents/x54yfzxxj5m7.md) | minor | 3.0 h |  |
| 2024-10-24 22:38 UTC | [Delayed Message Processing](https://rewindex.com/company/courier/incidents/l0bjy301yq0w.md) | major | 4.2 h |  |
| 2024-10-21 15:56 UTC | [Message Logs Delays](https://rewindex.com/company/courier/incidents/qwmn9bkb8r7g.md) | minor | 2.9 h |  |
| 2024-10-10 16:46 UTC | [Courier Inbox FetchMessages Connectivity Issues](https://rewindex.com/company/courier/incidents/46l7xg06nqrv.md) | major | 9.8 h |  |
| 2024-09-06 16:35 UTC | [Send Pipeline and Event Status Slowdowns](https://rewindex.com/company/courier/incidents/htzjklcprnl3.md) | minor | 23 min |  |
| 2024-08-19 18:32 UTC | [Delay in Message Processing](https://rewindex.com/company/courier/incidents/lxlc37p4m62p.md) | major | 3.0 h |  |
| 2024-07-29 22:03 UTC | [Automation Service Degrated](https://rewindex.com/company/courier/incidents/xc7s1k76bmjf.md) | minor | 1.1 h |  |
| 2024-07-26 15:29 UTC | [Delay in Event Statuses Processing](https://rewindex.com/company/courier/incidents/jhd6qrv91x7p.md) | minor | 2 min |  |
| 2024-07-09 19:18 UTC | [Automation Logs Delayed](https://rewindex.com/company/courier/incidents/jxnqrlmcl75y.md) | minor | 3 d |  |
| 2024-07-09 03:00 UTC | [Rendering Errors for Email Templates](https://rewindex.com/company/courier/incidents/snblhn5b463x.md) | major | 0 min |  |
| 2024-06-27 23:24 UTC | [Automation Delays](https://rewindex.com/company/courier/incidents/3rhlz5k5st0w.md) | minor | 1.3 h |  |
| 2024-06-26 01:52 UTC | [AWS serviceUnavailable Outage](https://rewindex.com/company/courier/incidents/5z7hztb0jnyf.md) | major | 1.4 h |  |
| 2024-06-11 15:36 UTC | [Delayed Event Status](https://rewindex.com/company/courier/incidents/gh82dqrqlndd.md) | minor | 49 min |  |
| 2024-05-28 16:34 UTC | [Delay in Message Status Updates](https://rewindex.com/company/courier/incidents/blrb501t3rqz.md) | none | -11344 min |  |
| 2024-04-03 19:56 UTC | [Segment Track events not firing automation workflows](https://rewindex.com/company/courier/incidents/8dx09y5mt71d.md) | minor | 28 h |  |
| 2024-02-19 17:12 UTC | [Delayed message delivery](https://rewindex.com/company/courier/incidents/8sl1k23881bd.md) | minor | 8.6 h |  |
| 2023-11-02 15:58 UTC | [Message send delays](https://rewindex.com/company/courier/incidents/p99fkx5jvm10.md) | major | 11 h |  |
| 2023-10-17 22:50 UTC | [Degraded Segment Inbound request processing](https://rewindex.com/company/courier/incidents/wz7p44ndd687.md) | minor | 1.6 h |  |
| 2023-09-28 16:25 UTC | [Outbound notifications are not being sent](https://rewindex.com/company/courier/incidents/xsn14yg46122.md) | none | 4.5 h |  |
| 2023-09-13 19:51 UTC | [Message status updates are delayed](https://rewindex.com/company/courier/incidents/4gsbn0qyb0tw.md) | minor | 49 min |  |
| 2023-07-26 22:04 UTC | [Inbox messages degradation for versions lower than v2](https://rewindex.com/company/courier/incidents/x6tf57drq4ct.md) | major | 1.0 h |  |
| 2023-07-21 18:02 UTC | [Delay in the messages sent out](https://rewindex.com/company/courier/incidents/4m909tv8xfw6.md) | major | 39 min |  |
| 2023-06-13 19:13 UTC | [An incident with Courier's hosting infrastructure has been identified and is impacting access to service.](https://rewindex.com/company/courier/incidents/31fl4hrgjtr9.md) · [AWS outage](https://rewindex.com/events/2023-06-13-aws) | major | 2.3 h |  |
| 2023-05-11 17:23 UTC | [Issue affecting sends](https://rewindex.com/company/courier/incidents/8sl4rg8y7ypz.md) | major | 2.7 h |  |
| 2023-04-20 22:09 UTC | [Message status updates are delayed](https://rewindex.com/company/courier/incidents/h2y48b7nyg5p.md) | minor | 1.0 h |  |
| 2023-03-28 22:22 UTC | [Message Status Delays](https://rewindex.com/company/courier/incidents/kvpp7zq9hyr9.md) | major | 1.1 h |  |
| 2023-02-23 00:59 UTC | [Delayed Automation Execution](https://rewindex.com/company/courier/incidents/7nnqqvwsdkwh.md) | major | 1.3 h |  |
| 2022-09-27 15:06 UTC | [Timeouts impacting Courier Inbox and access to log data](https://rewindex.com/company/courier/incidents/ddlcqlrd3m0v.md) | minor | 1.1 h |  |
| 2022-07-25 20:45 UTC | [Message Send Delays for Legacy Segment to Send Message Integration](https://rewindex.com/company/courier/incidents/znk4w44dr5y2.md) | major | 8.5 h |  |
| 2022-07-14 21:34 UTC | [Message send delays](https://rewindex.com/company/courier/incidents/qkcd5007qj4y.md) | minor | 7.5 h |  |
| 2022-06-21 22:41 UTC | [Elevated provider timeouts](https://rewindex.com/company/courier/incidents/qn6gsvbtz4rx.md) | minor | 3.3 h |  |
| 2022-06-10 03:58 UTC | [Increased API Error Rates and latencies due to multiple AWS service outages](https://rewindex.com/company/courier/incidents/5wbnnd2rkr29.md) | minor | 1.2 h |  |
| 2022-04-23 01:08 UTC | [Validation errors editing notification templates](https://rewindex.com/company/courier/incidents/112r19hhmxkl.md) | minor | 1.5 h |  |
| 2022-03-09 21:20 UTC | [Increased Error Rates due to AWS (SQS, S3 and Lambda) services issues in us-east-1](https://rewindex.com/company/courier/incidents/bkp4dp70z546.md) · [AWS outage](https://rewindex.com/events/2022-03-09-aws) | none | 41 min |  |
| 2022-02-12 01:14 UTC | [Traffic Routing Issue Affecting Courier Studio and Message APIs](https://rewindex.com/company/courier/incidents/sy4z3wz1nkcj.md) | critical | 1.5 h |  |
| 2021-12-07 17:41 UTC | [Ongoing AWS Outage](https://rewindex.com/company/courier/incidents/mt9qk542s2jh.md) · [AWS us-east-1 outage](https://rewindex.com/events/2021-12-07-aws-us-east-1) | critical | 1.8 h |  |
| 2021-10-15 17:25 UTC | [Partial outage - Segment destination processing](https://rewindex.com/company/courier/incidents/7gtc4c8f01kz.md) | minor | 2.1 h |  |
| 2021-09-20 17:15 UTC | [Segment Event Ingest Outage](https://rewindex.com/company/courier/incidents/5dk98fkvpr89.md) | major | 17 min |  |
| 2020-11-25 16:12 UTC | [Amazon US-EAST-1 Partial Outage](https://rewindex.com/company/courier/incidents/hvrnzsfy7xj4.md) · [AWS outage](https://rewindex.com/events/2020-11-25-aws) | major | 9.2 h |  |
| 2020-06-27 01:30 UTC | [Sending Delays](https://rewindex.com/company/courier/incidents/ym4vps850b6m.md) | none | 0 min |  |


## Charts

### Chart data: Courier status incidents per year
Grey: all non-maintenance incidents. Orange: major or critical. Years before Oct 2026 come from the vendor’s own status history.

| Year | Incidents | Major/critical |
| --- | --- | --- |
| 2020 | 2 | 1 |
| 2021 | 3 | 2 |
| 2022 | 8 | 2 |
| 2023 | 11 | 7 |
| 2024 | 15 | 5 |
| 2025 | 15 | 1 |
| 2026 | 7 | 1 |

### Chart data: Incidents per month, last 36 months
By impact as reported by the vendor. Maintenance excluded.

| Month | Impact | Incidents |
| --- | --- | --- |
| 2023-10 | minor | 1 |
| 2023-11 | major | 1 |
| 2024-02 | minor | 1 |
| 2024-04 | minor | 1 |
| 2024-05 | none | 1 |
| 2024-06 | major | 1 |
| 2024-06 | minor | 2 |
| 2024-07 | major | 1 |
| 2024-07 | minor | 3 |
| 2024-08 | major | 1 |
| 2024-09 | minor | 1 |
| 2024-10 | major | 2 |
| 2024-10 | minor | 1 |
| 2025-01 | minor | 1 |
| 2025-02 | minor | 5 |
| 2025-04 | minor | 1 |
| 2025-05 | none | 1 |
| 2025-06 | minor | 2 |
| 2025-07 | minor | 1 |
| 2025-10 | critical | 1 |
| 2025-10 | minor | 1 |
| 2025-10 | none | 2 |
| 2026-01 | minor | 2 |
| 2026-02 | critical | 1 |
| 2026-05 | minor | 1 |
| 2026-06 | minor | 1 |
| 2026-10 | minor | 2 |

### Chart data: Page snapshot history
One dot per archived version. Grey = first archived (baseline), orange = text changed.

| Date | Page | Change |
| --- | --- | --- |
| 2026-10-19 | Subprocessors | baseline |
| 2026-10-19 | Terms of service | baseline |
| 2026-10-19 | Privacy policy | baseline |

---
Canonical: https://rewindex.com/company/courier · Markdown: https://rewindex.com/company/courier.md · JSON: https://rewindex.com/api/v1/companies/courier · Generated 2026-10-19T23:12:55.427Z