(.NET Core C#) CardConnect Capture Level 3 Data

Demonstrates how to send a CardConnect Capture request with Lavel 3 line item data.

If available, Level 3 line item data can be sent with the capture request, particularly for any commercial or corporate payment cards. To qualify for Level 3 Interchange rates, Level 2 data must also be provided. ...

See https://developer.cardconnect.com/cardconnect-api#capture-level-3-data

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

Chilkat.Http http = new Chilkat.Http();
bool success;

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": "2880000333",
//   "shiptozip": "11111-1111",
//   "shipfromzip": "99999-9999",
//   "amount": "596.00",
//   "items": [
//     {
//       "discamnt": "0",
//       "unitcost": "900",
//       "uom": "CS",
//       "lineno": "1",
//       "description": "DESCRIPTION-1",
//       "taxamnt": "117",
//       "quantity": "1000",
//       "upc": "UPC-1",
//       "netamnt": "150",
//       "material": "MATERIAL-1"
//     },
//     {
//       "discamnt": "0",
//       "unitcost": "450",
//       "uom": "CS",
//       "lineno": "2",
//       "description": "DESCRIPTION-2",
//       "taxamnt": "117",
//       "quantity": "2000",
//       "upc": "UPC-1",
//       "netamnt": "300",
//       "material": "MATERIAL-2"
//     }
//   ],
//   "taxamount": "40.00",
//   "merchid": "123456789012",
//   "account": "4111111111111111",
//   "ponumber": "PO-0736332"
// }
// 
// Use this online tool to generate the code from sample JSON: 
// Generate Code to Create JSON

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("retref","112989260941");
json.UpdateString("shiptozip","11111-1111");
json.UpdateString("shipfromzip","99999-9999");
json.UpdateString("amount","596.00");
json.UpdateString("items[0].discamnt","0");
json.UpdateString("items[0].unitcost","900");
json.UpdateString("items[0].uom","CS");
json.UpdateString("items[0].lineno","1");
json.UpdateString("items[0].description","DESCRIPTION-1");
json.UpdateString("items[0].taxamnt","117");
json.UpdateString("items[0].quantity","1000");
json.UpdateString("items[0].upc","UPC-1");
json.UpdateString("items[0].netamnt","150");
json.UpdateString("items[0].material","MATERIAL-1");
json.UpdateString("items[1].discamnt","0");
json.UpdateString("items[1].unitcost","450");
json.UpdateString("items[1].uom","CS");
json.UpdateString("items[1].lineno","2");
json.UpdateString("items[1].description","DESCRIPTION-2");
json.UpdateString("items[1].taxamnt","117");
json.UpdateString("items[1].quantity","2000");
json.UpdateString("items[1].upc","UPC-1");
json.UpdateString("items[1].netamnt","300");
json.UpdateString("items[1].material","MATERIAL-2");
json.UpdateString("taxamount","40.00");
json.UpdateString("merchid","MERCHANT_ID");
json.UpdateString("account","4111111111111111");
json.UpdateString("ponumber","PO-0736332");

string url = "https://<site>.cardconnect.com:<port>/cardconnect/rest/capture";
string responseStr = http.PutText(url,json.Emit(),"utf-8","application/json",false,false);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// 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 = " + Convert.ToString(http.LastStatus));

Chilkat.JsonObject jsonResp = new Chilkat.JsonObject();
jsonResp.Load(responseStr);
jsonResp.EmitCompact = false;

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

// A successful response looks like this:

// {
//   "amount": "596.00",
//   "resptext": "Approval",
//   "setlstat": "Queued for Capture",
//   "commcard": " C ",
//   "respcode": "00",
//   "batchid": "1900942291",
//   "merchid": "MERCHANT_ID",
//   "token": "9418594164541111",
//   "authcode": "PPS158",
//   "respproc": "FNOR",
//   "retref": "112989260941",
//   "respstat": "A",
//   "account": "9418594164541111"
// }

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

string amount = jsonResp.StringOf("amount");
string resptext = jsonResp.StringOf("resptext");
string setlstat = jsonResp.StringOf("setlstat");
string commcard = jsonResp.StringOf("commcard");
string respcode = jsonResp.StringOf("respcode");
string batchid = jsonResp.StringOf("batchid");
string merchid = jsonResp.StringOf("merchid");
string token = jsonResp.StringOf("token");
string authcode = jsonResp.StringOf("authcode");
string respproc = jsonResp.StringOf("respproc");
string retref = jsonResp.StringOf("retref");
string respstat = jsonResp.StringOf("respstat");
string account = jsonResp.StringOf("account");