use Modules\Products\Panel\Models\Products\Saver as ProductSaver;
$prices['current']['52'] = 100;
$prices['old']['52'] = 0;
$productId = ProductSaver::saveProduct(
[
'id' => 0,
'fields' => [
'name' => 'Товар созданный через API',
'article' => '',
'images' => '',
'active' => 1,
'image' => '',
'short_description' => '',
'sorting_index' => 100,
'weight' => 0,
],
'prices' => $prices,
'availability' => [],
'categories' => [0],
'characteristics' => []
]
);