This eBay Sell Account API gives sellers the ability to configure their eBay seller accounts, including the seller's policies, opt in and out of eBay seller programs, configure sales tax tables, and get account information. The API is used to create and manage the different business policies associated with an eBay Seller account. API methods are available for Fulfillment policy, Payment policy, Return policy and more. The Account API provides methods for sellers to create and maintain sales tax tables for different tax jurisdictions, opt-in to eBay seller programs, retrieve their shipping rate tables, and check their seller privileges. eBay is an online marketplace.