sample-paystack-pop/index.html at master · PaystackHQ/sample-paystack-pop · GitHub

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<html>
<head>
    <script src="https://js.paystack.co/v2/inline.js"></script>
</head>
<body>
<form id="paymentForm">
  <div class="form-group">
    <label for="email">Email Address</label>
    <input type="email" id="email-address" required />
    <br>
  </div>
  <div class="form-group">
    <label for="amount">Amount</label>
    <input type="tel" id="amount" required />
    <br>
  </div>
  <div class="form-group">
    <label for="first-name">First Name</label>
    <input type="text" id="first-name" />
    <br>
  </div>
  <div class="form-group">
    <label for="last-name">Last Name</label>
    <input type="text" id="last-name" />
    <br>
  </div>
  <div class="form-submit">
    <button type="submit"> Pay </button>
  </div>
</form>
<script>
    var paymentForm = document.getElementById('paymentForm');
paymentForm.addEventListener("submit", payWithPaystack, false);

function payWithPaystack(e) {
  e.preventDefault();
  var handler = PaystackPop.setup({
    key: PUBLIC_KEY, // Replace with your public key
    email: document.getElementById("email-address").value,
    amount: document.getElementById("amount").value * 100,
    firstname: document.getElementById("first-name").value,
    lastname: document.getElementById("first-name").value,
    ref: ''+Math.floor((Math.random() * 1000000000) + 1), // generates a pseudo-unique reference. Please replace with a reference you generated. Or remove the line entirely so our API will generate one for you
    // label: "Optional string that replaces customer email"
    onClose: function(){
      alert('Window closed.');
    },
    callback: function(response){
      window.location = "verify.php?reference=" + response.reference;
    }
  });

  handler.openIframe();
}

</script>
</body>
</html>