curl --location --request POST 'https://api.freedompay.kz/api/balance_status' \
--form 'pg_merchant_id=""' \
--form 'pg_currency=""' \
--form 'pg_salt=""' \
--form 'pg_sig=""'
<?xml version="1.0" encoding="UTF-8"?>
<root>
<pg_balance>0</pg_balance>
<pg_status>string</pg_status>
<pg_salt>string</pg_salt>
<pg_sig>string</pg_sig>
</root>