Courier incident

Slack Deliverability Issues

Minor Resolved View vendor source →

Courier experienced a minor incident on May 27, 2026, lasting 10m. The incident has been resolved; the full update timeline is below.

Started
May 27, 2026, 11:06 PM UTC
Resolved
May 27, 2026, 11:16 PM UTC
Duration
10m
Detected by Pingoru
May 27, 2026, 11:06 PM UTC

Update timeline

  1. monitoring May 27, 2026, 11:06 PM UTC

    Slack has reported messaging, and app degredation on their platform that could be impacting deliverability of Slack messages. This is a downstream provider issue and can be monitored on Slack's statuspage: https://slack-status.com/

  2. resolved May 27, 2026, 11:16 PM UTC

    Please continue to monitor Slack's statuspage for any updates related to message deliverability: https://slack-status.com/