Cloud Alerting users cannot receive notifications via Vespa, Webhook, Slack, or Pagerduty

The issue with Cloud Monitoring sending alerts via Vespa, Webhooks, Slack or Pagerduty has been resolved for all affected users as of Thursday, 2021-06-17 12:43 US/Pacific. We thank you for your patience while we worked on resolving the issue.

Summary: Cloud Alerting users cannot receive notifications via Vespa, Webhook, Slack, or Pagerduty Description: We are experiencing an issue with Cloud Monitoring sending alerts via Vespa, Webhooks, Slack or Pagerduty. Our engineering team continues to investigate the issue. We will provide an update by Thursday, 2021-06-17 12:54 US/Pacific with current details. We apologize to all who are affected by the disruption. Diagnosis: None at this time. Workaround: Notifications via email are working normally at this point.