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Credit card test numbers
Do you set up accounts for merchants outside of the US?
How does the cart function if an order is not able to be placed via real-time?
How does the cart work with PayPal?
What do I need to accept American Express, Discover, or other Credit Cards?
What do I need to do with my shopping cart and gateway to be able to accept American Express?
What is the support phone number for Cardservice International and the LinkPoint Gateway?
Why are all of my orders receiving an "unknown error"?
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