soap2.xml

<!-- 500 ошибка -->
<?xml version="1.0" encoding="UTF-8"?>
<x:Envelope
  xmlns:x="http://schemas.xmlsoap.org/soap/envelope/"
  xmlns:xsd3="http://kz.processing.cnp.merchant_ws/xsd">
  <x:Body>
    <xsd3:completeCashOutTransaction>
      <xsd3:merchantId>777000000000018</xsd3:merchantId>
      <xsd3:merchantKeyword>111</xsd3:merchantKeyword>
      <xsd3:referenceNr>111000005044</xsd3:referenceNr>
      <xsd3:transactionSuccess>true</xsd3:transactionSuccess>
    </xsd3:completeCashOutTransaction>
  </x:Body>
</x:Envelope>

<!-- ВСЕ НОРМ -->
<x:Envelope
  xmlns:x="http://schemas.xmlsoap.org/soap/envelope/"
  xmlns:xsd3="http://kz.processing.cnp.merchant_ws/xsd">
  <x:Header/>
  <x:Body>
    <xsd3:completeCashOutTransaction>
      <xsd3:merchantId>777000000000018</xsd3:merchantId>
      <xsd3:referenceNr>111000005044</xsd3:referenceNr>
      <xsd3:transactionSuccess>true</xsd3:transactionSuccess>
      <xsd3:merchantKeyword>111</xsd3:merchantKeyword>
    </xsd3:completeCashOutTransaction>
  </x:Body>
</x:Envelope>