Xojo Plugin Requires Chilkat v11.0.0+

CardConnect Void

See more CardConnect Examples

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

Xojo Plugin

Dim success As Boolean
success = False

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

Dim http As New Chilkat.Http

http.BasicAuth = True
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"
//  }

Dim json As New Chilkat.JsonObject
success = json.UpdateString("retref","112989260941")
success = json.UpdateString("merchid","MERCHANT_ID")

Dim url As String
url = "https://<site>.cardconnect.com:<port>/cardconnect/rest/void"

Dim resp As New Chilkat.HttpResponse
success = http.HttpStr("PUT",url,json.Emit(),"utf-8","application/json",resp)
If (success = False) Then
    System.DebugLog(http.LastErrorText)
    Return
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.
System.DebugLog("response status code = " + Str(resp.StatusCode))

Dim jsonResp As New Chilkat.JsonObject
success = jsonResp.Load(resp.BodyStr)
jsonResp.EmitCompact = False

System.DebugLog("response JSON:")
System.DebugLog(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

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