REQUEST:
array (
  'apSessionsService_run' => 'true',
  'merchantID' => 'rmcgovernpptest',
  'merchantReferenceCode' => '2021083212400',
  'apPaymentType' => 'PPL',
  'billTo_country' => 'US',
  'billTo_state' => 'NE',
  'billTo_postalCode' => '68128',
  'purchaseTotals_grandTotalAmount' => '1.55',
  'purchaseTotals_currency' => 'USD',
  'apSessionsService_cancelURL' => 'http://bob.qwyx.co/CyberSourceMain.html',
  'apSessionsService_successURL' => 'http://bob.qwyx.co/cybersourceAltPay/Rest/SessionService/SuccessResponse.php',
)

RESPONSE:
apSessionsReply_amount=1.55
merchantReferenceCode=2021083212400
apSessionsReply_reconciliationID=T1YSBDH20000000000000000000KSZ1DWV7
purchaseTotals_currency=USD
apSessionsReply_merchantURL=https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=EC-81L08190DD4525304
requestID=6304316051536681703010
apSessionsReply_processorTransactionID=PAYID-MEXGS5Q1RS55284UF4723821
decision=ACCEPT
apSessionsReply_reasonCode=100
apSessionsReply_dateTime=2021-08-31T17:40:06Z
apSessionsReply_status=CREATED
reasonCode=100
requestToken=AxjnrwSTVcH13yy1IRZi/7tHUY2acKJIZMGDBgwYMGDBgwYMGDBgwYMJdO0xiV6zdP22zuZ4tIETYm3DJpJl6MVxr2iTVcH13yy1IRZiAAAA8wa+