Why are prices different when shown on Eneba store?

It could be one of these two situations:

Auction surcharges

If you see a difference between the price set on the auction and the price shown to the customer, you may want to check your global surcharges

You can set those in Eneba's selling settings. It is an added percentage based on the customer's region.

Sometimes auctions can get promoted through Featured Offers.

If this happens, the auction will appear in two places:

When this happens in declared stock, the price.amount field of a RESERVATION request will also be higher than the price set on the auction.