- Level
- confirmed
- Worst impact
- Degraded
- Components
- Workflows
- Down Index
- 43of 100
What to do
Check whether you use Slack Workflows. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Confirm your retries, queues and scheduled jobs caught up after the 2h 24m it lasted.
Anything that failed between 2026-07-24 08:22 UTC and 2026-07-24 10:47 UTC may need a replay.Subscribe to Slack's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=slack works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from Slack 5
- update
We’re aware of an issue affecting Workflows that include 'refer to a message link'. Users with these workflows are unable to send a message to a channel, and will receive an ‘Input Validation Error’ when trying to perform this step. We’re actively investigating this issue and will provide an update in 30 minutes or sooner if more information becomes available.
provider
- update
We've engaged our Worklow team to assist in the investigation. Initial analysis appears to show a conflict between specific variables. We’re continuing to work to understand whether this is the trigger of the issue. We’ll provide an update in 30 minutes or sooner if more information becomes available.
provider
- update
The Workflow team is currently analyzing whether a recent change may have resulted in the conflict between variables that has been observed. It is expected to take some time to validate whether this is the case. We’ll provide an update in 60 minutes or sooner if more information becomes available.
provider
- update
We’ve performed a test of reverting a recent change and this appears to have resolved the issue. We are in the process of performing a production wide revert of this change. This is expected to take some time to complete and we will validate that it is successful. We’ll provide an update in 2 hours or sooner if more information becomes available.
provider
- update
We’ve completed the revert of the recent change and have validated that this has brought customers out of impact and can now successfully send a message to a channel using Workflows that include 'refer to a message link'. We apologize for how this incident may have affected you and your business.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
Something wrong on this page? Report an error or send us a note. Every fix is listed here.
Questions about DWN-dee179812a
Is Slack still down?
No, this incident was resolved 2026-07-24 10:47 UTC. For Slack's live state, see https://down.guide/slack.
How long did it last?
2h 24m, from 2026-07-24 08:22 UTC to 2026-07-24 10:47 UTC, by the times Slack posted.
What was affected?
Slack named Workflows.
What caused it?
Slack hasn't published a root cause. If it does, it shows here.
Where does this come from?
Slack's official status page, https://slack-status.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.