Gift Card Balance API null response

Hi,

 

I'm trying to get a gift card balance response to work in Prod. The test environment worked. When I changed to Prod www3 and use my live credentials I get null responses.

 

Request : 

 

<?xml version="1.0"?>

<request>

<store_id>***********</store_id>

<api_token>*********</api_token>

<ernex_gift_card_inquiry>

<track2></track2>

<pan>*****************</pan>

<expdate></expdate>

<cvd_value>***</cvd_value>

<language_code>1</language_code>

</ernex_gift_card_inquiry>

</request>

 

 

Response : 

 

<?xml version="1.0" standalone="yes"?>

<response>

<receipt>

<ReceiptId>null</ReceiptId>

<ReferenceNum>null</ReferenceNum>

<ResponseCode>null</ResponseCode>

<ISO>null</ISO>

<AuthCode>null</AuthCode>

<TransTime>null</TransTime>

<TransDate>null</TransDate>

<TransType>null</TransType>

<Complete>false</Complete>

<Message>null</Message>

<TransAmount>null</TransAmount>

<CardType>null</CardType>

<TransID>null</TransID>

<TimedOut>false</TimedOut>

<BankTotals>null</BankTotals>

<Ticket>null</Ticket>

<IsVisaDebit>false</IsVisaDebit>

</receipt>

</response>