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

Update subscriber preferences by its unique key identifier **subscriberId**. 
    **workflowId** is optional field, if provided, this API will update that workflow preference, 
    otherwise it will update global preferences

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