on 12-31-2012 10:55 AM
Your account is identified by the email address you used when you set up your account., Why would a seller need this? If you bought from him he would simply invoice you from the listing, or you could us the "pay now" button. It doesn't sound right.
on 12-31-2012 11:25 AM
If this is for an eBay purchase the seller should not be invoicing you from PayPal.
Do NOT pay a PayPal Money Request for an eBay item. This would VOID eBay Buyer Protection.
You go through eBay Checkout to pay for eBay items.
on 12-31-2012 10:54 AM
Your PayPal "address" - your connection in PayPal is your email address as registered with eBay.
A seller with whom you are already in a transaction would have this information.
If not in a transaction, seller may be heading toward an Off eBay Transaction - buyer will have no eBay Buyer Protection there.