Outage report · Major outage

Courier outage on Feb 2, 2026

Courier Multi Service Outage

SeverityMajor outage

StartedFeb 2, 2026, 20:07UTC

ResolvedFeb 2, 2026, 23:13UTC

Duration3h 7m

What happened

Courier reported a major outage starting Feb 2, 2026, 20:07 UTC, affecting Web Application, API, Automations, Courier Inbox. It was marked resolved at Feb 2, 2026, 23:13 UTC.

The incident lasted 3h 7m from first report to resolution.
Courier had reported no other partial or major outages in the 90 days before it.
4 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Courier

# RFO: February 2, 2026 — Service Interruption ## Executive Summary On February 2, 2026, a deployment introduced a configuration change that referenced a file not present in our production build artifacts, causing backend services to become unavailable. API endpoints, automations, and tracking functionality were impacted for 2 hours and 17 minutes in the US region and 2 hours and 42 minutes in the Ireland region. Recovery was prolonged by a concurrent outage at GitHub Actions, our CI/CD provider, which prevented our standard automated rollback. Our team identified the root cause, executed a manual rollback independent of the affected provider, and restored full service across all regions. We have defined targeted action items to prevent recurrence. ## Incident Overview * **Affected services:** API endpoints \(including message sending\), automations, webhooks, tracking links, and authentication * **Impact:** Requests to backend services returned errors for the duration of the incid

Read Courier's official incident report ↗