Node.js

Payeezy Place Temp Authorization Hold on Buyer’s Credit Card

See more HTTP Misc Examples

Demonstrates how to place a temporary authorization hold for the desired amount on the buyer’s credit card. You can Capture the authorized amount on completion of service or Void/Refund the transaction as required. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var crypt = new chilkat.Crypt2();
    var prng = new chilkat.Prng();

    // An API key such as y6pWAJNyJyjGv66IsVuWnklkKUPFbb0a
    var apiKey = "my_api_key";
    // An API secret such as 86fbae7030253af3cd15faef2a1f4b67353e41fb6799f576b5093ae52901e6f7
    var apiSecret = "my_api_secret";
    // A token such as fdoa-a480ce8951daa73262734cf102641994c1e55e7cdf4c02b6
    var token = "my_merchant_token";

    // The nonce is a random number (bytes), something like "6057786719490086000"
    var nonce = prng.GenRandom(8,"decimal");
    console.log("nonce = " + nonce);

    var dtNow = new chilkat.CkDateTime();
    dtNow.SetFromCurrentSystemTime();
    var sbTimestamp = new chilkat.StringBuilder();
    // Get the epoch timestamp in seconds
    sbTimestamp.Append(dtNow.GetAsUnixTimeStr(false));
    // Change it to milliseconds
    sbTimestamp.Append("000");
    // The timestamp is a number similar to this: 1546011905000 (which is a timestamp taken on 28-Dec-2018).
    var timestamp = sbTimestamp.GetAsString();
    console.log("timestamp = " + timestamp);

    // Generate the following JSON request body:
    // {
    //   "merchant_ref": "Astonishing-Sale",
    //   "transaction_type": "authorize",
    //   "method": "credit_card",
    //   "amount": "1299",
    //   "currency_code": "USD",
    //   "credit_card": {
    //     "type": "visa",
    //     "cardholder_name": "John Smith",
    //     "card_number": "4788250000028291",
    //     "exp_date": "1020",
    //     "cvv": "123"
    //   }
    // }

    var json = new chilkat.JsonObject();
    json.UpdateString("merchant_ref","Astonishing-Sale");
    json.UpdateString("transaction_type","authorize");
    json.UpdateString("method","credit_card");
    json.UpdateString("amount","1299");
    json.UpdateString("currency_code","USD");
    json.UpdateString("credit_card.type","visa");
    json.UpdateString("credit_card.cardholder_name","John Smith");
    json.UpdateString("credit_card.card_number","4788250000028291");
    json.UpdateString("credit_card.exp_date","1020");
    json.UpdateString("credit_card.cvv","123");
    json.EmitCompact = false;
    console.log(json.Emit());

    // string hashData = apiKey + nonce + timestamp + token + jsonString;
    var sbHmacData = new chilkat.StringBuilder();
    sbHmacData.Append(apiKey);
    sbHmacData.Append(nonce);
    sbHmacData.Append(timestamp);
    sbHmacData.Append(token);
    sbHmacData.Append(json.Emit());

    // HMAC the data to produce a hex string.
    crypt.EncodingMode = "hexlower";
    crypt.MacAlgorithm = "hmac";
    crypt.SetMacKeyString(apiSecret);
    crypt.HashAlgorithm = "sha256";
    crypt.Charset = "utf-8";
    var hexHash = crypt.MacStringENC(sbHmacData.GetAsString());
    console.log("hexHash = " + hexHash);

    // Now base64 encode the hex string:
    var sbBase64Hash = new chilkat.StringBuilder();
    sbBase64Hash.Append(hexHash);
    sbBase64Hash.Encode("base64","utf-8");

    console.log("This is the Authorization header to be sent with the payeezy request:");
    console.log("Authorization: " + sbBase64Hash.GetAsString());

    // -----------------------------------------------------------
    // Now that we have the value for the Authorization header, send the POST containing the JSON.

    var http = new chilkat.Http();

    http.Accept = "*/*";
    http.UserAgent = "";
    http.SetRequestHeader("Authorization",sbBase64Hash.GetAsString());
    http.SetRequestHeader("apikey",apiKey);
    http.SetRequestHeader("nonce",nonce);
    http.SetRequestHeader("timestamp",timestamp);
    http.SetRequestHeader("token",token);

    http.SessionLogFilename = "qa_output/payeezy.txt";

    var url = "https://api-cert.payeezy.com/v1/transactions";
    var resp = new chilkat.HttpResponse();
    success = http.HttpJson("POST",url,json,"application/json",resp);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    console.log("response status code = " + resp.StatusCode);
    json.Load(resp.BodyStr);
    console.log(json.Emit());

    // Sample JSON response:

    // {
    //   "correlation_id": "228.4604632998994",
    //   "transaction_status": "approved",
    //   "validation_status": "success",
    //   "transaction_type": "authorize",
    //   "transaction_id": "ET175628",
    //   "transaction_tag": "2313721985",
    //   "method": "credit_card",
    //   "amount": "1299",
    //   "currency": "USD",
    //   "cvv2": "M",
    //   "token": {
    //     "token_type": "FDToken",
    //     "token_data": {
    //       "value": "9732261336638291"
    //     }
    //   },
    //   "card": {
    //     "type": "visa",
    //     "cardholder_name": "John Smith",
    //     "card_number": "8291",
    //     "exp_date": "1020"
    //   },
    //   "bank_resp_code": "100",
    //   "bank_message": "Approved",
    //   "gateway_resp_code": "00",
    //   "gateway_message": "Transaction Normal"
    // }
    // 

    console.log(json.StringOf("correlation_id"));
    console.log(json.StringOf("transaction_status"));
    console.log(json.StringOf("validation_status"));
    console.log(json.StringOf("transaction_type"));
    console.log(json.StringOf("transaction_id"));
    console.log(json.StringOf("transaction_tag"));
    console.log(json.StringOf("method"));
    console.log(json.StringOf("amount"));
    console.log(json.StringOf("currency"));
    console.log(json.StringOf("cvv2"));
    console.log(json.StringOf("token.token_type"));
    console.log(json.StringOf("token.token_data.value"));
    console.log(json.StringOf("card.type"));
    console.log(json.StringOf("card.cardholder_name"));
    console.log(json.StringOf("card.card_number"));
    console.log(json.StringOf("card.exp_date"));
    console.log(json.StringOf("bank_resp_code"));
    console.log(json.StringOf("bank_message"));
    console.log(json.StringOf("gateway_resp_code"));
    console.log(json.StringOf("gateway_message"));

}

chilkatExample();