Yes, they do on their Plus plan >If we fall short of our 99.99% uptime guarantee, we’ll refund customers on the Plus plan 100 times the amount your workspace p

Yes, they do on their Plus plan >If we fall short of our 99.99% uptime guarantee, we’ll refund customers on the Plus plan 100 times the amount your workspace paid during the period Slack was down. Source: https://get.slack.help/hc/en-us/articles/204113126-Plus-plan-Service-Level-Agreement-SLA- https://get.slack.help/hc/en-us/articles/204113126-Plus-plan...