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All's good under the hood, boss!

Slack is up and running normally. Nothing to see here.

Recent Incidents

Uptime last 30 days: 99.98%
View uptime in calendar mode
March 28, 2017

Intermittent Connectivity Issues

All users should be able to connect to Slack, and all functionality is restored. We apologize for the inconvenience!
March 20, 2017

Inability to connect to Slack

All users are once again able to connect to Slack. We're investigating what caused Slack's web servers to fail this morning, and will take steps to prevent such failures in the future.
March 18, 2017

Connectivity issue for some users

All teams should be able to connect to Slack now. We apologize for the inconvenience!
March 16, 2017

Some users are experiencing issues connecting to Slack

Slack should be working for everyone. We apologize for the interruption!
March 14, 2017

Connectivity issues for some teams

A small number of teams were unable to connect to slack for a short amount of time. The problem was resolved within minutes, but during the downtime all members of those teams were unable to connect.
March 8, 2017

Connectivity Issues for some teams.

All teams should be able to connect to Slack now. We apologize for the inconvenience!
March 7, 2017

Disruption of Service

Between 08:38am PST and 08:47am PST Slack was serving errors for all requests to This was caused by a code change that has now been reverted. The was also overloaded during this time and it may have been inaccessible.
March 1, 2017

Connectivity issues to Slack

We've resolved the underlying issue and believe that all customers should be able to connect just fine. Thanks for sticking with us!
February 28, 2017

File Serving Issue

At this point, all Slack features are fully functional, though we're investigating the state of files uploaded during the incident.