I'd be glad to help point you in the right direction who can help you add GoPayments to your existing website, 337.
While the Community can provide answers and troubleshooting solutions to certain questions, there are things that only our Merchant Services Center can do to determine if you can add GoPayments to your existing website.
To get this sorted out, I'd suggest reaching out to GoPayments Support Team. They can help and guide you through the steps in adding the GoPayment.
The following pointers are good references. These will provide you steps on where you can access your statements as well as helpful links about QuickBooks Payments concerns:
Yes, we have a web-store for promotional items and I would like to be able to have my customers pay using the quickbooks merchant link or gopaymet, not sure if I am using the right terminology. What I am trying to get away from is having multiple payment processing companies and bring it all under one umbrella. I thought by using quickbooks gopayment then it would all be linked.