Yes, you can create gift cards with different values in QuickBooks Online and you don't need any specialized credit card terminal. Here are the steps to complete the process:
Click Sales in the left panel and go to the Products and services tab.a
Select New. Choose Non-inventory or Service.
Add a name. If you track SKUs, enter a SKU for the product.
From the Category ▼ drop-down, select the category that best describes your product or service. Learn more about item categories.
Select the I sell this product/service to my customers checkbox. If you don't sell the item, you can leave it unchecked.
In the Sales information section, enter a description. This is what your customers will see on their sales form.
Enter an amount in the Sales price/rate field. Note: If you charge a variable rate for services, you can leave the Sales price/rate data field blank. Add the price when you fill out the invoice or sales receipt.
If you need to track sales tax, select Taxable - standard rate from the Sales tax category ▼ drop-down. If the item has a special tax rate, select Choose a special category and find the best option.Note: If you don’t see this drop-down, follow the steps to set up sales tax in QuickBooks.