curl --location --request POST 'https://api.freedompay.kz/cancel' \
--form 'pg_merchant_id=""' \
--form 'pg_payment_id=""' \
--form 'pg_receipt_positions[0][count]="2"' \
--form 'pg_receipt_positions[0][name]="Mouse pad"' \
--form 'pg_receipt_positions[0][tax_type]=""' \
--form 'pg_receipt_positions[0][price]=""' \
--form 'pg_salt=""' \
--form 'pg_sig=""'
<?xml version="1.0" encoding="UTF-8"?>
<root>
<pg_status>string</pg_status>
<pg_error_code>0</pg_error_code>
<pg_error_description>string</pg_error_description>
<pg_salt>string</pg_salt>
<pg_sig>string</pg_sig>
</root>