Google Product Search accepts two fields pertaining to payment information: "payment accepted" and "payment notes". For the most part, Google requires that traditional payment methods like credit cards, cash, & check be place in their "payment accepted" field while online payment methods like PayPal and GoogleCheckout be placed in their "payment notes" field.
SingleFeed wants to make your life easier and so we only accept one field in the file you import to us and that is "payment type". This field should include all of the payment types you accept (traditional and online methods) and our system will do the work to determine which information goes to which Google fields.
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