(VBScript) CardConnect Void

Demonstrates how to send a CardConnect void request.

The void service cancels a transaction that is in either "Authorized" or "Queued for Capture" status.. ...

See https://developer.cardconnect.com/cardconnect-api#void

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Http")
set http = CreateObject("Chilkat.Http")

http.BasicAuth = 1
http.Login = "API_USERNAME"
http.Password = "API_PASSWORD"

' Build and send the following JSON:

' The "retref" is the value returned in the JSON response for the Authorization request.

' {
'     "retref":"112989260941",
'     "merchid":"MERCHANT_ID"
' }

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set json = CreateObject("Chilkat.JsonObject")
success = json.UpdateString("retref","112989260941")
success = json.UpdateString("merchid","MERCHANT_ID")

url = "https://<site>.cardconnect.com:<port>/cardconnect/rest/void"
responseStr = http.PutText(url,json.Emit(),"utf-8","application/json",0,0)
If (http.LastMethodSuccess = 0) Then
    outFile.WriteLine(http.LastErrorText)
    WScript.Quit
End If

' A response status of 200 indicates potential success.  The JSON response body
' must be examined to determine if it was truly successful or an error.
outFile.WriteLine("response status code = " & http.LastStatus)

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set jsonResp = CreateObject("Chilkat.JsonObject")
success = jsonResp.Load(responseStr)
jsonResp.EmitCompact = 0

outFile.WriteLine("response JSON:")
outFile.WriteLine(jsonResp.Emit())

' A successful response looks like this:

' {
'   "authcode": "REVERS",
'   "respproc": "FNOR",
'   "amount": "0.00",
'   "resptext": "Approval",
'   "currency": "USD",
'   "retref": "112989260941",
'   "respstat": "A",
'   "respcode": "00",
'   "merchid": "496160873888"
' }

' Use this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON

authcode = jsonResp.StringOf("authcode")
respproc = jsonResp.StringOf("respproc")
amount = jsonResp.StringOf("amount")
resptext = jsonResp.StringOf("resptext")
currency = jsonResp.StringOf("currency")
retref = jsonResp.StringOf("retref")
respstat = jsonResp.StringOf("respstat")
respcode = jsonResp.StringOf("respcode")
merchid = jsonResp.StringOf("merchid")

outFile.Close