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Important: Due to EU & UK Payments regulatory requirements, an additional security verification via Digital Signatures is required for certain API calls that are made by EU/UK sellers. Please refer to Digital Signatures for APIs to learn more on the impacted APIs and the process to create signature to be included in the HTTP payload.

Note: This is a Limited Release(Limited Release) API available only to select developers approved by business units.

The Buy Offer API enables Partners to place proxy bids for a buyer and retrieve the auctions where the buyer is bidding. By placing a proxy bid, the buyer is agreeing to purchase the item if they win the auction.


Method NameHTTP MethodPathSummarySamples
getBiddingGET/bidding/{item_id}Retrieves bidding details that are specific to the buyer.View getBidding - /bidding/{item_id}
placeProxyBidPOST/bidding/{item_id}/place_proxy_bidPlaces bids for the buyer on auction items.View placeProxyBid - /bidding/{item_id}/place_proxy_bid