Note: Starting on July 1, 2021, developers using Shopping API calls must authenticate with an OAuth application access token using the X-EBAY-API-IAF-TOKEN HTTP header, as both the appid query parameter and X-EBAY-API-APP-ID HTTP header will be deprecated on June 30, 2021.What do you call the trading API on eBay?
We call eBay's Trading API the "Trading" API because you can list items, get item information, and just generally manage your eBay sales and purchases. But if all you want to do is help people buy things, then the eBay Shopping API may be best for you. Optimized for buyer shopping and browsing.What is the default return value on eBay?
For AddItem, VerifyAddItem, and RelistItem: If the seller accepts international returns (InternationalReturnsAcceptedOption is set to ReturnsAccepted) but does not specify this field for a listing, eBay sets a default value (often Days_30) and the seller is obligated to honor this setting.When does the return period begin on eBay?
The return period begins when the item is marked "delivered" at the buyer's specified ship-to location. Most marketplaces and categories support 30-day and 60-day return periods. eBay sites often set 30-days as the default value for this field and sellers are obligated to honor the values that are set for a listing.