# Update notifications state (/api-reference/subscribers/update-notifications-state)

Update subscriber's multiple in-app (inbox) notifications state such as seen, read, unseen or unread by **subscriberId**. 
      **messageId** is of type mongodbId of notifications

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<APIPage document={"content/openapi/novu-spec.json"} operations={[{"path":"/v1/subscribers/{subscriberId}/messages/mark-as","method":"post"}]} webhooks={[]} hasHead={false} />