# Update a subscriber (/api-reference/subscribers/update-a-subscriber)

Update a subscriber by its unique key identifier **subscriberId**. 
    **subscriberId** is a required field, rest other fields are optional

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