2011-04-23 09:06:49
-------------------
(live transaction) --> https://api-3t.paypal.com/nvp
Request Headers: 
Array
(
    [0] => Content-Type: text/namevalue
    [1] => X-VPS-Timeout: 45
    [2] => X-VPS-VIT-Client-Type: PHP/cURL
    [3] => X-VPS-VIT-Integration-Product: PHP::Zen Cart(tm) - PayPal/NVP
    [4] => X-VPS-VIT-Integration-Version: 1.3.9f
)


Request Parameters: {SetExpressCheckout} 
Array
(
    [AMT] => 6.99
    [ITEMAMT] => 6.99
    [L_NUMBER0] => 
    [L_NAME0] => 10oz Apothecary Jar Candle
    [L_DESC0] =>  Fragrances: Apple Butter
    [L_AMT0] => 6.99
    [L_QTY0] => 1
    [LOCALECODE] => US
    [PAYMENTACTION] => Sale
    [ALLOWNOTE] => 1
    [LANDINGPAGE] => Billing
    [RETURNURL] => http://www.germantowncandles.com/home/ipn_main_handler.php?type=ec
    [CANCELURL] => http://www.germantowncandles.com/home/index.php?main_page=login&ec_cancel=1
    [PAGESTYLE] => Primary
    [METHOD] => SetExpressCheckout
    [CURRENCYCODE] => USD
    [USER] => contact_api1.germantowncandles.com
    [PWD] => ****************
    [VERSION] => 60.0
    [SIGNATURE] => ****************************************************5sb.
)


Response: 
Array
(
    [TIMESTAMP] => 2011-04-23T15:06:49Z
    [CORRELATIONID] => 1084fae12313e
    [ACK] => Failure
    [VERSION] => 60.0
    [BUILD] => 1838679
    [L_ERRORCODE0] => 10002
    [L_SHORTMESSAGE0] => Security error
    [L_LONGMESSAGE0] => Security header is not valid
    [L_SEVERITYCODE0] => Error
    [CURL_ERRORS] => 
)


SetExpressCheckout, Elapsed: 355ms -- Failure

TIMESTAMP=2011%2d04%2d23T15%3a06%3a49Z&CORRELATIONID=1084fae12313e&ACK=Failure&VERSION=60%2e0&BUILD=1838679&L_ERRORCODE0=10002&L_SHORTMESSAGE0=Security%20error&L_LONGMESSAGE0=Security%20header%20is%20not%20valid&L_SEVERITYCODE0=Error&CURL_ERRORS=