VB.NET

CardConnect Validate Merchant-Level Credentials

To test and validate merchant-level credentials, you can make a PUT request, including the merchant ID in the body of the request, to the base URL. The Gateway verifies that the MID matches the credentials provided in the header.

Chilkat VB.NET Downloads

Download Chilkat for VB.NET

VB.NET

Dim success As Boolean = 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"

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

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

Dim resp As New Chilkat.HttpResponse
success = http.HttpStr("PUT",url,json.Emit(),"utf-8","application/json",resp)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


' If we get a 200 response status and an HTML response saying "CardConnect REST Servlet", then our credentials are correct.
Debug.WriteLine("response status code = " & resp.StatusCode)

Debug.WriteLine("response string:")
Debug.WriteLine(resp.BodyStr)

' Sample output:

' response status code = 200
' response string:
' <html lang="en"><body><h1>CardConnect REST Servlet</h1></body></html