Cancel CollectionCopy Pageput https://api.intersoftsapient.net/v4/collections/rm/{shipmentId}/cancelCancels a Royal Mail collection request for an existing shipment.Path ParamsshipmentIdstringrequiredThe Shipment Id may be an id or a tracking/barcode number.Responses 200The collection has been cancelled successfully. 401Unauthorized 403Forbidden 500Internal Server ErrorUpdated 2 days ago