Not used by any call.
If true, indicates eBay has marked the seller as eligible for eBay Express based on direct evaluation. Only returned if true, and no other seller requirement settings are returned in this case. For example, on the eBay Germany site, sellers need to fill out an application to become eligible to list on Express Germany. If they are approved, eBay sets ExpressApproved to true and no other seller requirement settings are relevant.
Note: eBay Express has been shut down in the UK and Germany. Please refer to the API Release Notes for more information.