HTTP/1.1 200 OK Connection: close Date: Sat, 16 Feb 2013 04:22:58 GMT Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET Content-Type: text/html Content-Length: 684 Cache-Control: private, must-revalidate, max-age=0 Expires: Tue, 01 Jan 1980 00:00:00 GMT <ccTxnResponseV1 xmlns="http://www.optimalpayments.com/creditcard/xmlschema/v1"> <confirmationNumber>-1</confirmationNumber> <decision>ERROR</decision> <code>5023</code> <actionCode>M</actionCode> <description>You submitted an invalid XML request. Please verify your request and retry the transaction.</description> <detail> <tag>InternalResponseCode</tag> <value>24</value> </detail> <detail> <tag>SubErrorCode</tag> <value>0</value> </detail> <detail> <tag>InternalResponseDescription</tag> <value>xml error</value> </detail> <txnTime>2013-04-25T06:25:35.722-04:00</txnTime> <duplicateFound>false</duplicateFound> </ccTxnResponseV1>