Sure - here it is - for authCaptureTransaction types. It can be easily modified for any transaction type.
The response comes back in XML format, which then needs to be parsed in order to extract the data.
<cfoutput>
<cfsavecontent variable="strXMLRequest">
<?xml version='1.0' ?>
<createTransactionRequest xmlns="AnetApi/xml/v1/schema/AnetApiSchema.xsd">
<merchantAuthentication>
<name>#apiloginid#</name>
<transactionKey>#transactionkey#</transactionKey>
</merchantAuthentication>
<refId>#invoice_number#</refId>
<transactionRequest>
<transactionType>authCaptureTransaction</transactionType>
<amount>#amount#</amount>
<payment>
<creditCard>
<cardNumber>#card_num#</cardNumber>
<expirationDate>#exp_date#</expirationDate>
<cardCode>#card_code#</cardCode>
</creditCard>
</payment>
<tax>
<amount>#taxamount#</amount>
<name>#state#</name>
<description>#state# State Tax</description>
</tax>
<customer>
<id>#cust_id#</id>
<email>#customeremail#</email>
</customer>
<transactionSettings>
<setting>
<settingName>testRequest</settingName>
<settingValue>false</settingValue>
</setting>
</transactionSettings>
</transactionRequest>
</createTransactionRequest>
</cfsavecontent>
<cfset strXMLRequest = trim(strXMLRequest)>
<!--- Create the Microsft.XMLHTTP object to handle sending the XML data to the Web Service --->
<cftry>
<cfobject action="connect" class="Microsoft.XMLHTTP" name="objXMLHTTP" type="com">
<cfcatch type="any">
<cfobject action="create" class="Microsoft.XMLHTTP" name="objXMLHTTP" type="com">
</cfcatch>
</cftry>
<!--- Create the Microsft.XMLDom object to handle sending the XML data to the Web Service --->
<cftry>
<cfobject action="connect" class="Microsoft.XMLDOM" name="objXMLDOM" type="com">
<cfcatch type="any">
<cfobject action="create" class="Microsoft.XMLDOM" name="objXMLDOM" type="com">
</cfcatch>
</cftry>
<!--- Setup the XMLHTTP object and send the soap request --->
<cfset objXMLHTTP.Open("POST", "https://api.authorize.net/xml/v1/request.api", false)>
<cfset objXMLHTTP.setRequestHeader("Accept", "application/xml, text/xml, */*")>
<cfset objXMLHTTP.setRequestHeader("Content-Type", "text/xml; charset=utf-8")>
<cfset objXMLHTTP.send(strXMLRequest)>
<!--- Load the XML returned from the web service --->
<cfset objXMLDOM.async = false>
<cfset objXMLDOM.loadXML(objXMLHTTP.responseText)>
<!--- Output response --->
#objXMLHTTP.responseText#
</cfoutput>
-Judy