B4X Requires Chilkat v11.0.0+

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.

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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 ChilkatHttp
http.Initialize("http")

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

Dim json As ChilkatJsonObject
json.Initialize
success = json.UpdateString("merchid", "MERCHANT_ID")

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

Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpStr("PUT", url, json.Emit, "utf-8", "application/json", resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


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

Log("response string:")
Log(resp.BodyStr)

'  Sample output:

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