Our article Set Up an ePayment Form will show you how to create and configure an ePayment form in the Form Center. 

Important Notes   

• Once an ePayment form is published, it will automatically be available to the public in the ePayment Center on the front end of your website. Please make sure before publishing your form that your account has been set up with CivicPlus. 
• Reference our Enable HTTPS by Default (Always Secure Socket Layer (SSL)) article for information on forcing SSL for your site.