Found this hope it helps Can I use PayPal Credit for eBay purchases? There are some purchases which PayPal Credit can’t be used for. In these cases, it either won’t be shown as a payment method or the payment won’t be authorised. Examples of this include using PayPal Credit to pay for purchases in a foreign currency or purchases of restricted product types. It may also be that some action is needed on your PayPal Credit account, for example if you have missed payments.
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