Slack incident

Issues generating Incoming Webhooks

Resolved after 4 hours 29 minutes, affecting Apps/Integrations/APIs, on February 18, 2026.

resolved Feb 18, 2026, 06:32 PM UTC

This issue is now resolved for all users. Current status and recent actions taken: We reverted the change that triggered the issue. Scope: This issue impacted users from all regions, impacting both new installations and reinstalls of apps, affecting developers who reinstall apps to generate new webhooks.Previous impact to end users: Incoming Webhooks may have silently failed to generate when installing Apps which offer this feature. We apologize for any disruptions to your day.

Started
Feb 18, 2026, 02:02 PM UTC
Resolved
Feb 18, 2026, 06:32 PM UTC
Duration
4h 29m
Detected by Pingoru
Feb 18, 2026, 02:02 PM UTC

Affected components

Apps/Integrations/APIs

Update timeline

  1. investigating Feb 18, 2026, 02:02 PM UTC

    Incoming Webhooks may silently fail to generate when installing Apps which offer this feature. We're investigating and will keep you updated as we make progress.

  2. identified Feb 18, 2026, 02:55 PM UTC

    We've identified a recent change that may be triggering the issue and are working to revert this. We'll be back with an update once this completes.

  3. resolved Feb 18, 2026, 06:32 PM UTC

    This issue is now resolved for all users. Current status and recent actions taken: We reverted the change that triggered the issue. Scope: This issue impacted users from all regions, impacting both new installations and reinstalls of apps, affecting developers who reinstall apps to generate new webhooks.Previous impact to end users: Incoming Webhooks may have silently failed to generate when installing Apps which offer this feature. We apologize for any disruptions to your day.

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