curl -X POST '{backend_url}/admin/products/{id}/variants/inventory-items/batch' \
-H 'Authorization: Bearer {access_token}'
{
"created": {
"Product": {
"variant_id": "string"
},
"Inventory": {
"inventory_item_id": "string"
}
},
"updated": {
"Product": {
"variant_id": "string"
},
"Inventory": {
"inventory_item_id": "string"
}
},
"deleted": {
"Product": {
"variant_id": "string"
},
"Inventory": {
"inventory_item_id": "string"
}
}
}