# Mark a notification as unread (/api-reference/subscribers/mark-a-notification-as-unread)

Mark a specific in-app (inbox) notification as unread by its unique identifier **notificationId**.

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<APIPage document={"content/openapi/novu-spec.json"} operations={[{"path":"/v2/subscribers/{subscriberId}/notifications/{notificationId}/unread","method":"patch"}]} webhooks={[]} hasHead={false} />