Skip to main content
Published: November 26 2007, 12:15:00 AMUpdated: August 04 2022, 3:51:56 PM


Can I use the EIAS key to uniquely identify an eBay User?



 The EIASToken  is an unique identifier for an eBay User across all eBay sites. The EIAS key remains unchanged, even when a user changes their eBay UserId.

 The EIAS key is 64 bytes long, and is Base 64 encoded. 

Additional Resources 

   API Document:  User.EIASToken

                            Retrieving User Information

How well did this answer your question?
Answers others found helpful