[PHP]
PHP5 (Using CURL) with Full HTML
<?php
// CHECK IF THE FORM WAS SUBMITTED
if(@$_POST['submit']){
// SET URL
$url = 'https://gateway.helcim.com/';
// SET TRANSACTION VALUES
$merchantId = '9999111111';
$token = '1a2b3c4d5e6f7g8h9i';
$type = 'purchase';
$amount = @$_POST['amount'];
$cardNumber = @$_POST['cardNumber'];
$expiryDate = @$_POST['expiryDate'];
$cvvIndicator = '1';
$cvv = @$_POST['cvv'];
$orderId = @$_POST['orderId'];
$test = '1';
// CREATE POST STRING
$postString = 'merchantId='.$merchantId.'&'.
'token='.$token.'&'.
'type='.$type.'&'.
'amount='.$amount.'&'.
'cardNumber='.$cardNumber.'&'.
'expiryDate='.$expiryDate.'&'.
'cvvIndicator='.$cvvIndicator.'&'.
'cvv='.$cvv.'&'.
'orderId='.$orderId.'&'.
'test='.$test;
// SET CURL OPTIONS
$curlOptions = array( CURLOPT_RETURNTRANSFER => 1,
CURLOPT_AUTOREFERER => TRUE,
CURLOPT_FRESH_CONNECT => TRUE,
CURLOPT_HEADER => FALSE,
CURLOPT_POST => TRUE,
CURLOPT_POSTFIELDS => $postString,
CURLOPT_TIMEOUT => 30 );
// CREATE NEW CURL RESOURCE
$curl = curl_init($url);
// SET CURL OPTIONS
curl_setopt_array($curl,$curlOptions);
// PROCESS TRANSACTION - GET RESPONSE
$response = curl_exec($curl);
// CLOSE CURL REOURCE
curl_close($curl);
// CONVERT CARRIAGE RETURN LINE FEED TO AMPERSAND
$response = preg_replace("/\x0D/",'&',$response);
$response = preg_replace("/\x0A/",'&',$response);
// PARSE RESPONSE INTO AN ARRAY
parse_str($response,$responseArray);
// CHECK FOR APPROVAL
if($responseArray['response'] == 1){
// APPROVED
echo 'TRANSACTION APPROVED!';
// DISPLAY RESPONSE ARRAY
print_r($responseArray);
// KILL PROCESS
exit;
}else{
// DECLINED
echo 'TRANSACTION DECLINED!';
// DISPLAY RESPONSE ARRAY
print_r($responseArray);
// KILL PROCESS
exit;
}
}
?>
<html>
<head>
<title>Payment Form</title>
<body>
<h1>Enter Payment Information</h1>
<form action="your-checkout-page.php" method="POST">
<table>
<tr>
<td>Credit Card #:</td>
<td><input type="text" name="cardNumber" value=""></td>
</tr>
<tr>
<td>Expiry Date (MMYY):</td>
<td><input type="text" name="expiryDate" value=""></td>
</tr>
<tr>
<td>CVV Security Code:</td>
<td><input type="text" name="cvv" value=""></td>
</tr>
<tr>
<td>Amount:</td>
<td><input type="text" name="amount" value="0.00"></td>
</tr>
<tr>
<td>Invoice #:</td>
<td><input type="text" name="orderId" value=""></td>
</tr>
<tr>
<td></td>
<td><input type="submit" name="submit" value="Submit Payment"></td>
</tr>
</table>
</form>
</body>
</html>
[PHP]
PHP5 (Using CURL)
<?php
// CHECK IF THE FORM WAS SUBMITTED
if(@$_POST['submit']){
// SET URL
$url = 'https://gateway.helcim.com/';
// SET TRANSACTION VALUES
$merchantId = '9999111111';
$token = '1a2b3c4d5e6f7g8h9i';
$type = 'purchase';
$amount = '100.00';
$cardNumber = '5454545454545454';
$expiryDate = '1020';
$cvvIndicator = '1';
$cvv = '200';
$orderId = 'INV091293123';
$test = '1';
// CREATE POST STRING
$postString = 'merchantId='.$merchantId.'&'.
'token='.$token.'&'.
'type='.$type.'&'.
'amount='.$amount.'&'.
'cardNumber='.$cardNumber.'&'.
'expiryDate='.$expiryDate.'&'.
'cvvIndicator='.$cvvIndicator.'&'.
'cvv='.$cvv.'&'.
'orderId='.$orderId.'&'.
'test='.$test;
// SET CURL OPTIONS
$curlOptions = array( CURLOPT_RETURNTRANSFER => 1,
CURLOPT_AUTOREFERER => TRUE,
CURLOPT_FRESH_CONNECT => TRUE,
CURLOPT_HEADER => FALSE,
CURLOPT_POST => TRUE,
CURLOPT_POSTFIELDS => $postString,
CURLOPT_TIMEOUT => 30 );
// CREATE NEW CURL RESOURCE
$curl = curl_init($url);
// SET CURL OPTIONS
curl_setopt_array($curl,$curlOptions);
// PROCESS TRANSACTION - GET RESPONSE
$response = curl_exec($curl);
// CLOSE CURL REOURCE
curl_close($curl);
// CONVERT CARRIAGE RETURN LINE FEED TO AMPERSAND
$response = preg_replace("/\x0D/",'&',$response);
$response = preg_replace("/\x0A/",'&',$response);
// PARSE RESPONSE INTO AN ARRAY
parse_str($response,$responseArray);
// CHECK FOR APPROVAL
if($responseArray['response'] == 1){
// APPROVED
echo 'TRANSACTION APPROVED!';
// DISPLAY RESPONSE ARRAY
print_r($responseArray);
// KILL PROCESS
exit;
}else{
// DECLINED
echo 'TRANSACTION DECLINED!';
// DISPLAY RESPONSE ARRAY
print_r($responseArray);
// KILL PROCESS
exit;
}
}
?>
[C#]
.NET (C#)
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Net" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Text" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
// Gateway URL
string Url = "https://gateway.helcim.com/";
// Required Request Variables
string MerchantId = "9999111111";
string Token = "1a2b3c4d5e6f7g8h9i";
string Type = "purchase";
string Amount = "10.00";
string CardNumber = "4242424242424242";
string ExpiryDate = "0912";
string CvvIndicator = "1";
string Cvv = "432";
string CardholderName = "John Doe";
string CardholderAddress = "#503 - 111 25th Ave SW";
string CardholderPostalCode = "T2S3G4";
string Test = "1";
string PostData = "merchantId=" + MerchantId + "&token=" + Token + "&type=" + Type +
"&amount=" + Amount + "&cardNumber=" + CardNumber +
"&expiryDate=" + ExpiryDate + "&cvvIndicator=" + CvvIndicator +
"&cvv=" + Cvv + "&cardholderName=" + CardholderName +
"&cardholderAddress=" + CardholderAddress +
"&cardholderPostalCode=" + CardholderPostalCode + "&test=" + Test;
// Create a new web request
HttpWebRequest GatewayRequest = (HttpWebRequest)WebRequest.Create(Url);
// Set HTTP header information
GatewayRequest.Method = "POST";
GatewayRequest.ContentType = "application/x-www-form-urlencoded";
byte[] byteArray = Encoding.UTF8.GetBytes(PostData);
GatewayRequest.ContentLength = byteArray.Length;
// Send request
Stream SendStream = GatewayRequest.GetRequestStream();
SendStream.Write(byteArray, 0, byteArray.Length);
SendStream.Close();
// Get response
HttpWebResponse GatewayResponse = (HttpWebResponse)GatewayRequest.GetResponse();
Stream ReceiveStream = GatewayResponse.GetResponseStream();
StreamReader ReadStream = new StreamReader(ReceiveStream, Encoding.UTF8);
string Response = ReadStream.ReadToEnd();
// Close resources
GatewayResponse.Close();
ReadStream.Close();
// Parse response (HttpUtility requires .NET Framework 2.0)
NameValueCollection Nvc = HttpUtility.ParseQueryString(Response.Replace("\r\n", "&"));
ResponseLiteral.Text = Nvc["responseMessage"];
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Helcim Gateway Test</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Literal id="ResponseLiteral"
runat="server" />
</div>
</form>
</body>
</html>
[PHP]
PHP5 (Using CURL) Recurring Transaction with Full HTML
<?php
// Check for Form Submitted
if(@$_POST['submit']){
// Required Request Variables
$Url = 'https://gateway.helcim.com/';
$MerchantId = '9999111111';
$Token = '1a2b3c4d5e6f7g8h9i';
$Type = 'purchase';
$Amount = @$_POST['amount'];
$CardNumber = @$_POST['cardNumber'];
$ExpiryDate = @$_POST['expiryDate'];
$CvvIndicator = '1';
$Cvv = @$_POST['cvv'];
$recurringPeriod = '1 month';
$recurringStartDate = '20131201';
$recurringAmount = '100.00';
$recurringTimes = '999';
$Test = '1';
// Create POST string
$PostFields = "merchantId={$MerchantId}&token={$Token}&type={$Type}".
"&amount={$Amount}&cardNumber={$CardNumber}".
"&expiryDate={$ExpiryDate}&cvvIndicator={$CvvIndicator}".
"&cvv={$Cvv}&recurringPeriod={$recurringPeriod}".
"&recurringStartDate={$recurringStartDate}".
"&recurringAmount={$recurringAmount}".
"&recurringTimes={$recurringTimes}&test={$Test}";
// CURL Options Array
$CurlOptions = array( CURLOPT_RETURNTRANSFER => 1,
CURLOPT_AUTOREFERER => TRUE,
CURLOPT_FRESH_CONNECT => TRUE,
CURLOPT_HEADER => FALSE,
CURLOPT_POST => TRUE,
CURLOPT_POSTFIELDS => $PostFields,
CURLOPT_TIMEOUT => 30 );
// New CURL resource
$Curl = curl_init($Url);
// Set CURL options array
curl_setopt_array($Curl, $CurlOptions);
// Get URL response
$Response = curl_exec($Curl);
// Close CURL resource
curl_close($Curl);
// Parse response into an array
$Response = eregi_replace("\x0D\x0A", "&", $Response);
parse_str($Response, $ResponseArray);
}
?>
<html>
<head>
<title>Payment Form</title>
<body>
<?php
// Check for Form Not Submitted
if(!@$_POST['submit']){
?>
<h1>Enter Payment Information</h1>
<form action="payment.php" method="POST">
<table>
<tr>
<td>Credit Card #:</td>
<td><input type="text" name="cardNumber" value=""></td>
</tr>
<tr>
<td>Expiry Date (MMYY):</td>
<td><input type="text" name="expiryDate" value=""></td>
</tr>
<tr>
<td>CVV Security Code:</td>
<td><input type="text" name="cvv" value=""></td>
</tr>
<tr>
<td>Amount:</td>
<td><input type="text" name="amount" value="0.00"></td>
</tr>
<tr>
<td>Invoice #:</td>
<td><input type="text" name="orderId" value=""></td>
</tr>
<tr>
<td></td>
<td><input type="submit" name="submit" value="Submit Payment"></td>
</tr>
</table>
</form>
<?php
// Check for Form Submitted
}else{
?>
<h1>Transaction Receipt</h1>
<?php
// Check gateway response
if(@$ResponseArray['response'] == 1){
?>
<h2>APPROVED!</h2>
<?php
}else{
?>
<h2>DECLINED</h2>
<h3>ERROR: <?= @$ResponseArray['responseMessage'] ?></h3>
<?php
}
?>
<table>
<tr>
<td>Date & Time:</td>
<td><?= @$ResponseArray['date'] ?> <?= @$ResponseArray['time'] ?></td>
</tr>
<tr>
<td>Invoice Number:</td>
<td><?= @$ResponseArray['orderId'] ?></td>
</tr>
<tr>
<td>Amount:</td>
<td><?= @$ResponseArray['amount'] ?></td>
</tr>
<tr>
<td>Approval Code:</td>
<td><?= @$ResponseArray['approvalCode'] ?></td>
</tr>
<tr>
<td>Card Type:</td>
<td><?= @$ResponseArray['cardType'] ?></td>
</tr>
<tr>
<td>Credit Card #:</td>
<td><?= @$ResponseArray['cardNumber'] ?></td>
</tr>
</table>
<?php
}
?>
</body>
</html>
[PHP]
PHP - Auto-Void based on AVS Results
<?php
// SET ACCEPTABLE AVS RESPONSE
$acceptableArray[] = 'W'; // 9 digit Zip matches, Address (Street) does not
$acceptableArray[] = 'X'; // Exact AVS Match
$acceptableArray[] = 'Y'; // Address (Street) and 5 digit Zip match
$acceptableArray[] = 'Z'; // 5 digit Zip matches, Address (Street) does not
// DEFAULT AVS RESULT
$avsGood = false;
// GO THROUGH RESULTS
foreach($acceptableArray as $avs){
// CHECK FOR AVS RESPONSE
if($responseArray['avsResponse'] == $avs){
// SET AVS
$avsGood = true;
// END FOREACH LOOP
break;
}
}
// CHECK AVS
if($avsGood){
// DISPLAY
echo 'APPROVED';
}else{
// SETTINGS
$type = 'void';
$transactionId = $responseArray['transactionId'];
// CREATE POST STRING
$postString = 'merchantId='.$merchantId.'&'.
'token='.$token.'&'.
'type='.$type.'&'.
'transactionId='.$transactionId.'&'.
'test='.$test;
// CREATE NEW CURL RESOURCE
$curl = curl_init($url);
// SET CURL OPTIONS
curl_setopt_array($curl,$curlOptions);
// PROCESS TRANSACTION - GET RESPONSE
$response = curl_exec($curl);
// CLOSE CURL REOURCE
curl_close($curl);
// DISPLAY
echo 'TRANSACTION REVERSED - BAD AVS';
}
?>
[Obj-C]
iOS (Objective C)
// TEXT FIELD FOR RESPONSE
@property (weak, nonatomic) IBOutlet UITextView *txtResponseField;
// SETTINGS
@property (retain, nonatomic) NSURLConnection *connection;
@property (retain, nonatomic) NSMutableData *receivedData;
///////////////////
// CONNECT HTTP BUTTON
- (IBAction)btnConnect:(id)sender {
// CLEAR CONNECTION IF THERE IS ONE (mainly if you click the button twice)
[self.connection cancel];
//INITALIZE DATA
NSMutableData *data = [[NSMutableData alloc] init];
self.receivedData = data;
//INITALIZE URL
NSURL *url = [NSURL URLWithString:@"https://gateway.qa.helcim.com/"];
//INITALIZE REQUEST
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[url standardizedURL]];
// SET METHOD
[request setHTTPMethod:@"POST"];
//INITALIZE POST STRING
NSString *postData = @"merchantId=9999999999&token=ABC1123123ABC123123&type=purchase&amount=10.00&cardNumber=5454545454545454&expiryDate=1020&cvvIndicator=1&cvv=100";
//SET REQUEST TYPE !!HAS TO BE SET!!
[request setValue:@"application/x-www-form-urlencoded; charset=utf-8" forHTTPHeaderField:@"Content-Type"];
// SET POST DATA OF REQUEST
[request setHTTPBody:[postData dataUsingEncoding:NSUTF8StringEncoding]];
// INITALIZE A CONNECTION WITH REQUEST
NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];
self.connection = connection;
// START CONNECTION
[connection start];
}
/*
this method might be calling more than one times according to incoming data size
*/
-(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data{
[self.receivedData appendData:data];
}
/*
if there is an error occured, this method will be called by connection
*/
-(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error{
NSLog(@"%@" , error);
}
/*
if data is successfully received, this method will be called by connection
*/
-(void)connectionDidFinishLoading:(NSURLConnection *)connection{
// CONVERT RECIEVED DATA INTO STRING
NSString *htmlSTR = [[NSString alloc] initWithData:self.receivedData
encoding:NSUTF8StringEncoding];
// SET TEXTFIELD
self.txtResponseField.text = htmlSTR;
}
///////////////////////
// BUTTON PARSE DATA
- (IBAction)btnParse:(id)sender {
// PARSED ARRAY
NSArray *responseArray = [self.txtResponseField.text componentsSeparatedByString:@"\r\n"];
// CREATE A DICTIONARY TO SET KEY AND VALUE
NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
// LOOP THROUGH RESPONSE ARRAY
for (int i; i < [responseArray count]-1; i++) {
// EXPLODE VALUE
NSArray *tempArray = [responseArray[i] componentsSeparatedByString:@"="];
// SET KEY AND VALUE
[dictionary setObject:tempArray[1] forKey:tempArray[0]];
}
// CLEAR TEXT
self.txtResponseField.text = @"";
// LOOP THROUGH DICTIONARY
for (NSString *key in dictionary) {
// SHOW PARSED DATA
self.txtResponseField.text =[self.txtResponseField.text stringByAppendingString:[NSString stringWithFormat:@"%@ = \"%@\"\n\n",key,[dictionary objectForKey:key]]];
}
}
[Java]
Android (Java)
////////////////////////////////////////////////////////////
// PRIVATE FUNCTION - SEND POST DATA TO URL
////////////////////////////////////////////////////////////
private void sendPost() {
// SETTINGS
final String[] responseArray = new String[1];
final CountDownLatch latch = new CountDownLatch(1);
// THREAD TO SEND POST
new Thread(new Runnable() {
@Override
public void run() {
// SETTINGS
String postString = "merchantId=CHANGEME"
+ "&token=CHANGEME"
+ "&type=purchase"
+ "&test=1"
+ "&amount=66.00"
+ "&cardNumber=CHANGEME"
+ "&cardExpiry=CHANGEME"
+ "&cardCVV=CHANGEME";
// CHECK FOR +
while (postString.contains("+")){
// REPLACE TO CODE
postString = postString.replace("+","%2B");
}
try {
// SET URL AND POST STRING
URL toUrl = new URL("https://gateway.helcim.com/");
// CREATE CONNECTION
HttpURLConnection connection = (HttpURLConnection) toUrl.openConnection();
// SET CONNECTION TIMEOUT
connection.setConnectTimeout(5000);
// SET PROPERTIES
connection.setRequestMethod("POST");
connection.setRequestProperty("USER-AGENT", "Mozilla/5.0");
connection.setRequestProperty("ACCEPT-LANGUAGE", "en-US,en;0.5");
connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
// SET OUTPUT
connection.setDoOutput(true);
DataOutputStream dStream = new DataOutputStream(connection.getOutputStream());
// GET RESPONSE
dStream.writeBytes(postString);
// CLOSE
dStream.close();
// CREATE READER AND READ DATA
BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
String line = null;
StringBuilder responseOutput = new StringBuilder();
while ((line = br.readLine()) != null) {
responseOutput.append(line);
}
// CLOSE READER
br.close();
// SET RESPONSE AND ALLOW RETURN
responseArray[0] = responseOutput.toString();
latch.countDown();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (SocketTimeoutException e) {
// CONNECTION TIMED OUT
responseArray[0] = "Connection timed out. Please try again.";
latch.countDown();
} catch (IOException e) {
// ERROR WITH CONNECTION
responseArray[0] = e.getLocalizedMessage();
latch.countDown();
}
}
}).start();
try {
// WAIT TO MAKE SURE WE HAVE DATA
latch.await();
} catch (InterruptedException e) {
e.printStackTrace();
}
// RETURN ANSWER
return responseArray[0];
} // END FUNCTION
