curl -L \
--request PUT \
--url '/api/v1/products/prices' \
--header 'X-API-Key: YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{"items":[{"sku":"my_sku_1","price":{"country_code":"DE","retail_price":100,"sale_price":80,"vat":19}}]}'