About alerts

When an observed metric either exceeds or falls below a threshold, the Alerts feature displays a notification in the Fastly control panel and sends messages to your custom integrations (e.g., Slack channels and webhooks). From the Alerts pages, you can view triggered and resolved alert instances and manage your alert definitions and integrations.

Before you begin

The Alerts feature is disabled by default and can be purchased by contacting sales@fastly.com. Once enabled, any user with the appropriate roles and permissions will be able to manage alerts for Fastly services and historic stats metrics.

Viewing firing and resolved alert instances

To view details for an alert that is firing or resolved, follow these steps:

  1. Log in to the Fastly web interface.
  2. Go to Observability > Alerts > Overview.
  3. Click on an alert instance that is firing or resolved. The details page for that alert appears.
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