Item or pet codes distributed prior to BlizzCon 2009 and all World of Warcraft Trading Card Game item codes must be redeemed through the World of Warcraft Promotion Code Retrieval page.Some codes must be claimed before their expiration date.For example, Blizzard Balance purchased in a shop. Some codes must be activated by the cashier before they work.You cannot use a code that doesn't belong to your region. Some codes have regional restrictions.From the Shop tab, click Services and then Redeem a Code.From the Games tab, click the Redeem a Code button found under the logo of any game.Enter the code in the Redeem a Code box and click Redeem Code.This includes game keys, Blizzard Balance codes, game time codes, gift codes, pets and mounts, and promotional codes.

This will have to be manually discounted from compute costs later. If spot price estimation is desired, best practice is to review the historical spot prices by node in your region and create a lookup table for referencing node type by historical spot price detail. You can add codes to your Blizzard account through the website or through the App. Overwatch doesn’t automatically estimate or calculate spot prices.

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