PayaGateway AccountUpdater 2.0 Request - ColdFusion

request.cfm

<cfsilent>
<cfset nonce = Right(ToString(rand("SHA1PRNG")),10)>
<cfset UnixStamp = left(getTickcount(), 10)>
<cfset Myurl = "https://api-cert.sagepayments.com/accountupdater/v1/accountupdater?startDate=2021-04-10&endDate=2021-04-12">
<cfset ToBeHashed = "GET" & "#Myurl#" & "417227771521" & "#nonce#" & "#UnixStamp#">
<cfset strHmac = hmac("#ToBeHashed#","iLzODV5AUsCGWGkr","HMACSHA512")>
<cfset Auth = binaryEncode(binaryDecode(strHmac, "hex"), "base64")>
<cfhttp url="#Myurl#" port="443" method="GET">
  <cfhttpparam NAME="clientID" value="W8yvKQ5XbvAn7dUDJeAnaWCEwA4yXEgd" type="header" encoded="no" >
  <cfhttpparam NAME="merchantID" value="417227771521" type="header" encoded="no">
  <cfhttpparam NAME="merchantKey" value="I5T2R2K6V1Q3" type="header" encoded="no" >
  <cfhttpparam NAME="nonce" value="#nonce#"  type="header" encoded="no" >
  <cfhttpparam NAME="timestamp" value="#UnixStamp#" type="header" encoded="no" >
  <cfhttpparam NAME="Authorization" value="#Auth#" type="header" encoded="no" >
</cfhttp>
<cfset SResp = deserializeJSON(cfhttp.FileContent)>
</cfsilent>

<cfoutput>Authorization String: #ToBeHashed#</cfoutput><br>
<br>
<cfoutput>timestamp: #UnixStamp#</cfoutput><br>
<br>
<cfoutput>Auth: #Auth#</cfoutput><br>
<br>
<cfoutput>Nonce: #nonce#</cfoutput><br>
<br>

<cfdump var="#SResp#">