Html code for payment gateway 

To implement a payment gateway on a website, you will need to use HTML, CSS, and JavaScript to create the interface for the payment form, and make use of a server-side language like PHP, Python, or Ruby to send the payment information to the payment gateway's API and handle the response.

Image of Html code for payment gateway

Here is an example of a simple HTML form that could be used for a payment gateway:

<form action="/process-payment" method="post">

  <label for="name">Name:</label><br>

  <input type="text" id="name" name="name"><br>

  <label for="email">Email:</label><br>

  <input type="text" id="email" name="email"><br>

  <label for="card-number">Card Number:</label><br>

  <input type="text" id="card-number" name="card-number"><br>

  <label for="expiration">Expiration:</label><br>

  <input type="text" id="expiration" name="expiration"><br>

  <label for="cvv">CVV:</label><br>

  <input type="text" id="cvv" name="cvv"><br><br>

  <input type="submit" value="Submit">

</form>