Paypal wouldn't be able to function as one of eBay's payment processors without info sharing. If they didn't share info the buyer would be sent to Paypal checkout and there would be no order for them to pay since eBay didn't tell Paypal what was in the buyer's cart.
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The Following User Says Thank You to phaz0rz For This Useful Post:
right,when you log into your paypal account ,you can see the ebay listing for that transaction.
if you print your shipping label using Paypal,the tracking number will show up in your My ebay under that Ebay listing.