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8. The eBay API > 124. Queue API Calls

Queue API Calls

Work around eBay’s API call limit.

Developers working under the Individual license, explained at the beginning of this chapter, have a strict limit as to the number of eBay API calls they are allowed to make each day.

Provided that your application uses the API efficiently [Hack #125] , this shouldn’t pose a problem. And as the theory goes, anyone needing more than 50 API calls per day is probably running a business on eBay and can justify the cost of one of the higher developer tiers.

Consider the following scenario. As a seller, you might have 55 separate auctions ending on a single day. If you use the script in “Automatically Keep Track of Items You’ve Sold” [Hack #112] , you can retrieve sufficient data for all your recently closed auctions with only a single GetSellerList call. But if you use the script in “Spellcheck All Your Listings” [Hack #116] , you’ll need a minimum of 56 calls: one to retrieve the list of auctions, and 55 more to retrieve the individual auction descriptions. Run this single script just once, and you’ll exceed your API quota for the day.


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