curl -L \
--request POST \
--url 'https://beta.magento.pixiedia.com/V2/customer/cart/add' \
--header 'Authorization: Bearer YOUR_SECRET_TOKEN' \
--header 'Content-Type: application/json' \
--data '{
"cartItem": {
"sku": "4UMK100000172",
"qty": 1
}
}'