HTML Form

Config form to get paid in your website

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<form action="http://gufunds.com/payment" method="POST">
<input type="hidden" name="merchant_account" value="merchant@email.com">
<input type="hidden" name="item_number" value="2">
<input type="hidden" name="item_name" value="iPhone 8 PLUS 64GB">
<input type="hidden" name="item_price" value="1100">
<input type="hidden" name="item_currency" value="USD">
<input type="hidden" name="return_success" value="http://yourwebsite.com/success.php">
<input type="hidden" name="return_fail" value="http://yourwebsite.com/fail.php">
<input type="hidden" name="return_cancel" value="http://yourwebsite.com/cancel.php">
<button type="submit">Pay via Gufunds.com</button>
</form>

String	Value	Decription
merchant_account	Eg: merchant@email.com	This field is required to verify your account and to transfer payment direct to your wallet. Enter your email address with which you are registered in our website.
item_number	Eg: 2	With this field, you can enter an order number, a product number, or any number that will be returned to your site upon successful payment to confirm the payment.
item_name	Eg: iPhone 8 PLUS 64GB	This will be shown in our payment page, to know customer for what pay.
item_price	Eg: 1100	Enter valid order amount with numbers.
item_currency	Eg: USD/EUR/RUB	Enter the 3-letter abbreviation for your currency. It will be used for the payment order from your website.
return_success	Eg: http://yourwebsite.com/success.php	Enter page url addressfor IPN verification (php code is below) and successful payment message.
return_fail	Eg: http://yourwebsite.com/fail.php	Enter page url address with message for failed payment.
return_cancel	Eg: http://yourwebsite.com/cancel.php	Enter page url address with message for canceled payment.

Payment Verification (success.php)

IPN Verification to run code when payment was successful.

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<?php
$merchant_key = '...'; // Enter here your merchant API Key

$merchant_account = $_POST['merchant_account'];
$item_number = $_POST['item_number'];
$item_name = $_POST['item_name'];
$item_price = $_POST['item_price'];
$item_currency = $_POST['item_currency'];
$txid = $_POST['txid']; // Transaction ID
$payment_time = $_POST['payment_time']; // Current time of payment
$payee_account = $_POST['payee_account']; // The account of payee
$verification_link = "http://gufunds.com/payment_status.php?merchant_key=$merchant_key&merchant_account=$merchant_account&txid=$txid";
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL,$verification_link);
$results=curl_exec($ch);
curl_close($ch);
$results = json_decode($results);
if($results->status == "success") {
    //Payment is successful
    //Run your php code here
    echo 'Payment is successful.';
} else {
    echo 'Payment was failed.';
}
?>