If your application works with items on sites outside the US, or if your application can be used with more than one site, you should understand the differences in:

If there is no web component to your application, or you do not wish to host an AcceptURL or RejectURL page, you should get tokens with which method?

If you're specifying a URL and HTTP header, which takes precedent?

“OpeneBaySubscriptionService” is related to?

The "My eBay" page shows a number of different views of a user's data. The given view does not exist in this page:

A Fully Qualified Category has subelements:

There are three types of promotional sales:

When eBay gives a user a unique id number, the attribute is called:

eBay's base components are simple and complex types that model eBay business-level objects (e.g., items). Which is not an eBay component?

DSR trends are monitored in specific time increments. What are they?

eBay has a list of login credentials that are completely independent and not interoperable. Which is NOT an eBay login credential?