Форум

$deliveryId = "Идентификатор доставки";
$obBasket = \Bitrix\Sale\Basket::create(SITE_ID);
$obItem = $obBasket->createItem("catalog", "Сюда подставить ID товара");
$arProductFields = array(
    'NAME' => "Сюда подставить название товара",
    'PRICE' => "Сюда подставить цену товара",
    'CURRENCY' => 'RUB',
    'QUANTITY' => 1,
    'LID' => \Bitrix\Main\Context::getCurrent()->getSite(),
    'PRODUCT_PROVIDER_CLASS' => 'CCatalogProductProvider',
);
$obItem->setFields($arProductFields);

$obOrder = \Bitrix\Sale\Order::create(SITE_ID, 1);
$obOrder->setPersonTypeId(1);
$obOrder->setBasket($obBasket);
$obShipmentCollection = $obOrder->getShipmentCollection();
$obShipment = $obShipmentCollection->createItem(\Bitrix\Sale\Delivery\Services\Manager::getObjectById($deliveryId));
$shipmentItemCollection = $obShipment->getShipmentItemCollection();
foreach ($basket as $basketItem)
{
    $item = $shipmentItemCollection->createItem($basketItem);
    $item->setQuantity($basketItem->getQuantity());
}

$arDelivery = \Bitrix\Sale\Delivery\Services\Manager::calculateDeliveryPrice($obShipment, $deliveryId, array());

$arDeliveryParams = \Bitrix\Sale\Delivery\Services\Manager::getById($deliveryId);