Do I need to create an account with Heartland Payment Systems? Yes. Create an account with Heartland Payment Systems. Once the account is created, you will receive a welcome email with the account information from Heartland. Related articles Enel X Support Customer Service Contact How much time is required to remove the “E06 - null or duplicate provisioning” error message shown on the UPT screen? Should I create an account to checkout or just checkout as a guest? Where to enter the account information received from Heartland's welcome email? Can I use existing Stripe account instead of Heartland payment account with the UPT?