productId parameter is required. Another way to check the possibility of paying for an order for a product associated with a voucher is to use the /user/couponStats resource.curl --location --request GET 'https://test.api.globkurier.pl/v1/order/payments?grossOrderPrice=20.00&productId=681' \
--header 'Accept-Language: pl' \
--header 'X-Auth-Token;'[
{}
]