(VB.NET) CardConnect Inquire

Demonstrates how to get information for an individual transaction, including its settlement status (setlstat) and the response codes from the initial authorization.

See https://developer.cardconnect.com/cardconnect-api?lang=json#inquire

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

Dim http As New Chilkat.Http
Dim success As Boolean

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

Dim url As String = "https://<site>.cardconnect.com:<port>/cardconnect/rest/inquire/<retref>/<merchid>"
Dim responseStr As String = http.QuickGetStr(url)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
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.
Debug.WriteLine("response status code = " & http.LastStatus)

Dim jsonResp As New Chilkat.JsonObject
jsonResp.Load(responseStr)
jsonResp.EmitCompact = False

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

' A successful response looks like this:

' {
'   "amount": "0.00",
'   "resptext": "Approval",
'   "setlstat": "Voided",
'   "capturedate": "20190422180044",
'   "acctid": "1",
'   "respcode": "00",
'   "entrymode": "ECommerce",
'   "merchid": "MERCHANT_ID",
'   "token": "9418594164541111",
'   "authcode": "PPS158",
'   "respproc": "FNOR",
'   "authdate": "20190422",
'   "bintype": "",
'   "profileid": "16618402968441604028",
'   "lastfour": "1111",
'   "name": "TOM JONES",
'   "currency": "USD",
'   "retref": "112989260941",
'   "respstat": "A",
'   "account": "9418594164541111"
' }

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

Dim amount As String = jsonResp.StringOf("amount")
Dim resptext As String = jsonResp.StringOf("resptext")
Dim setlstat As String = jsonResp.StringOf("setlstat")
Dim capturedate As String = jsonResp.StringOf("capturedate")
Dim acctid As String = jsonResp.StringOf("acctid")
Dim respcode As String = jsonResp.StringOf("respcode")
Dim entrymode As String = jsonResp.StringOf("entrymode")
Dim merchid As String = jsonResp.StringOf("merchid")
Dim token As String = jsonResp.StringOf("token")
Dim authcode As String = jsonResp.StringOf("authcode")
Dim respproc As String = jsonResp.StringOf("respproc")
Dim authdate As String = jsonResp.StringOf("authdate")
Dim bintype As String = jsonResp.StringOf("bintype")
Dim profileid As String = jsonResp.StringOf("profileid")
Dim lastfour As String = jsonResp.StringOf("lastfour")
Dim name As String = jsonResp.StringOf("name")
Dim currency As String = jsonResp.StringOf("currency")
Dim retref As String = jsonResp.StringOf("retref")
Dim respstat As String = jsonResp.StringOf("respstat")
Dim account As String = jsonResp.StringOf("account")