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Requesting a Seller's User ID

For privacy reasons, eBay limits the use of this feature to those members who have completed a previous transaction with the member whose User ID is being requested.

If you have not completed a transaction with the member, eBay will provide only limited information about the member to ensure privacy.

If you only know a seller's email address and need to look up their User ID you can request a Member's User ID. This function can be useful in the event you receive emails from sellers who haven't specified their User ID and you cannot locate their listing.

If eBay cannot determine a transactional relationship you should request the seller to send you their User ID via email.

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