# Courier incident history

- **Courier**: [Queued Messages](https://down.guide/courier/DWN-d560de19a7) (Degraded; lasted 15m; started 2026-10-10 00:25 UTC; API)
- **Courier**: [Delayed Messages](https://down.guide/courier/DWN-a468996a75) (Degraded; lasted 37m; started 2026-10-09 23:15 UTC; API)
- **Courier**: [Send Pipeline Latency](https://down.guide/courier/DWN-64ffd23cd7) (Degraded; lasted 1h 57m; started 2026-06-18 20:11 UTC; API)
- **Courier**: [Slack Deliverability Issues](https://down.guide/courier/DWN-28449dd8d6) (Degraded; lasted 10m; started 2026-05-27 23:06 UTC)
- **Courier**: [Courier Multi Service Outage](https://down.guide/courier/DWN-1c4071ea44) (Major outage; lasted 3h 7m; started 2026-02-02 20:07 UTC; Web Application, API, Automations +1; eu, us)
- **Courier**: [Observability Degradation](https://down.guide/courier/DWN-92b468b708) (Degraded; lasted 0m; started 2026-01-29 23:13 UTC)
- **Courier**: [Courier Web App Performance](https://down.guide/courier/DWN-ecac8b4c2a) (Degraded; lasted 3h 9m; started 2026-01-14 21:47 UTC; Web Application)
- **Courier**: [All services impacted](https://down.guide/courier/DWN-4b77c285ec) (Major outage; lasted 52m; started 2025-10-20 09:19 UTC; Web Application, API, Automations +2)
- **Courier**: [Microsoft Teams Tenant Id Errors](https://down.guide/courier/DWN-0471bec906) (Degraded; lasted 29m; started 2025-10-17 05:33 UTC; API)
- **Courier**: [Mailgun Message Delivery Latency](https://down.guide/courier/DWN-d5d54be0c8) (Degraded; lasted 0m; started 2025-10-13 16:19 UTC)
- **Courier**: [Message Delivery Latency](https://down.guide/courier/DWN-a95608ecd8) (Degraded; lasted 0m; started 2025-10-08 15:16 UTC)

[Back to Courier](https://down.guide/courier)

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