curl --request POST \
  --url https://api.example.com/catalog/v0/products \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "merchant": "<string>",
  "products": [
    {
      "product_id": "<string>",
      "item_group_id": "<string>",
      "main_product_id": "<string>",
      "image_urls": [
        "<string>"
      ],
      "category_ids": [
        "<string>"
      ],
      "transaction_product_id": "<string>",
      "locale_attributes": [
        {
          "locale_id": "<string>",
          "title": "<string>",
          "color_name": "<string>",
          "description": "<string>",
          "size_name": "<string>",
          "material": [
            "<string>"
          ],
          "custom_attributes": {}
        }
      ],
      "inventory_attributes": [
        {
          "inventory_id": "<string>",
          "in_stock": true,
          "quantity": 123,
          "custom_attributes": {}
        }
      ],
      "pricelist_attributes": [
        {
          "pricelist_id": "<string>",
          "sale_price": 1,
          "original_price": 1,
          "currency": "<string>",
          "custom_attributes": {}
        }
      ],
      "brand": "<string>",
      "inactive": false,
      "store_attributes": "<unknown>",
      "gender": "unisex",
      "age": "baby",
      "size": "<string>",
      "is_second_hand": true,
      "color_hex": "<string>",
      "custom_attributes": {}
    }
  ]
}
'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}