You must include 3 extra fields in the Form Layout for Authorize.net to work.
| Field Name | Example | Notes |
| Card Number | <input id="s_e_card_num" class="required" type="text" /> | |
| Card Expiry | <input id="s_e_card_exp" class="required" type="text" placeholder="MM-YYYY" /> | The data format must follow that in the placeholder in our example |
| Card CVV | <input id="s_e_card_cvv" class="required" type="text" /> |