Wednesday May 17, 2023

Our engineering team deployed a minor technical change to the handling of cryptographic operations, such as API token validation.
During this redirection we saw a higher than anticipated volume of failed API requests which resulted in an impact to the Slack service. As a result, Slack was down between 1:56 PM PDT - 2:03 PM PDT.
This was resolved when these changes were rolled back by infrastructure teams.

7:58 AM PST