Reset a triggered or failed alert and resume watching.

Available to: All authenticated users

Environments: Demo, Live

Rate Limit: No endpoint-specific limit

Re-arms the alert identified by alertId. The alert must belong to the calling user. Use this after an alert has triggered, expired, or failed to keep the same alert and wait for its condition to be met again. The server stops watching, re-parses the alert's existing expression, sets status back to Active, clears the triggeredCounter and any failure, and resumes watching. The alert's expression, validUntil, triggerLimits, and message are preserved — to change those values, use modifyAlert instead.

The request body contains a single required field, alertId, from createAlert or alertItem. The response returns the reactivated alert.

Common Failure Scenarios

• alertId does not exist or is not owned by the calling user.
• The stored expression can no longer be parsed (for example, after a configuration change), so the alert cannot be reactivated.

Error Messages