Bid at Yahoo Japan Auction and Mbok in English - Bidding Deputy service

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Bid at Yahoo Japan Auction and Mbok in English!!

Yahoo! Japan Auction, known as the largest online auction in Japan, has millions of hot items such as collectibles, toys, anime cels, video games, electronics, comics, J-POPs, DVDs and so on. Mbok(mobaoku) also has a good selection of products. If you make the most of these websites, it will be easier to get some great bargains or the items you have been looking for.

However, it takes an awful lot of effort to find an item you are looking for due to the language burrier etc. Even if you can manage to reach it, most of Japanese sellers do not deal with people out of Japan. However, there is nothing to worry about. That's what we are here for!! Japamart solves all the problems you are facing. Our Search Engine and translate tool assist you to find the item you want. We contact the seller on your behalf and ship the item to you. All you have to do is just bid on the item in English using our automated system in real time.

We also provide you with a snipe bid service in case you want to place a bid in the last moment. With this service, you do not have to have your eye on the clock.

We also have a small app which you can add to your web browser. Once it is added, you can easily place an order just in a minute.


Before using our bidding service, you need to send us a deposit. A bidding limit equals to twice the amount deposited. You can bid on as many items as you want within your bidding limit. Please send us a deposit by Paypal or credit card through Paypal. If you win the auction, the deposited amount can be used to pay for it. If you lose the auction, you can keep it for future auctions or get a refund by requesting us using the form of Mypage.
Deposit Bidding limit
Exchange Rate Bidding limit
$125.00 $250.00 $1=110yen (Example) 27,500 yen

Payment method

We basically accept Paypal and credit card through Paypal. If you cannot use Paypal, we accept bank transfer as well. In this case, a fee for transferring money would be borne by you. Please note that we cannot accept a payment via Paypal if you buy items which are against Paypal's policy.

Snipe bid

If you want to place a bid in the last moment, you can use our snipe bid service for free. You no longer have to stay up late or keep your eye on the clock to snipe an auction yourself.


Our commission for the bidding service is simply calculated based on the table below. We take our fees only when you win an auction. Even if you do not win, we will not charge you any fees.

Closing price
-2500yen $5.00
2501-5000yen $8.00
5001-10000yen $10.00
10001yen- $10.00+$1.00 per 1000 yen up

Bank fee
A flat $2.00 fee per auction. But we will combine the fees if you win multiple items from one seller on the same day.

Shipping within Japan
Actual postal charge from a seller to our office. We always place the highest priority on the safety for your items. So we do not necessarily choose the cheapest shipping method.

Shipping to your home
Actual postal charge to your home. Please refer to the shipping information.

Transaction fee
5% of the total. Fee for transferring money.

Other fees

Following fees are not usual. We will charge these fees only when necessary.

Sales tax
Some business sellers charge 10% of the closing price as sales tax.

Storage fee
If you leave your item at our warehouse for more than 30 days without making a shipping request since the arival date of the item, a $1.00 storage fee will be imposed per day on each item. If another 30 days have passed without a shipping request, the item will become the property of Japamart and be resold to cover our expenses or be discarded.
Please note: Large items occupy a lot of space. Please make a shipping request within 3 days or a $1.00 storage fee will be imposed per day on each item.

Late payment fee
You have 72 hours to pay for items after we send you the invoice. You need to pay your invoice by sending money via Paypal or applying your deposited money toward the invoice within 72 hours after we send it to you. If we cannot confirm the payment by the deadline, your deposit will be automatically used to pay the invoice.
If your deposit is not enough to clear the invoice, we will send you a notice by e-mail and you need to pay it via Paypal within the next 24 hours. Otherwise you will be subject to a $10 of late payment fee. Then, another $10.00 fee will be imposed each additional 10 days period. If 30 days have passed without a payment, the item will become the property of Japamart and be disposed of or resold to recoup our expenses.

Handling fee
Surcharge for a heavy, large or breakable item that needs more special packing than normal.

Fee example

Anime cels : 1500 yen (Closing price)
Commission $5.00
Shipping within Japan Varies ($1.50~)
Handling fee None
Bank fee $2.00
Shipping to your home Varies
Transaction fee 5%

Video game : 11,200 yen (Closing price)
Commission $12.00
Shipping within Japan Varies ($1.50~)
Handling fee None
Bank fee $2.00
Shipping to your home Varies
Transaction fee 5%

1.DVD : 3,800 yen from seller A
2.Card : 2,500 yen from seller A
Commission 1 $8.00
Commission 2 $5.00
Shipping within Japan Varies ($1.50~)
Handling fee None
Bank fee $2.00
Bank fee 2 $0.00 (Same seller)
Shipping to your home Varies
Transaction fee 5%

Prohibited item

・ Very large or heavy items (Please read the Large items & Car parts section)
・ Items that we need to pick up at the seller's place
・ Plants
・ Aerosol cans,air spray
・ Guns (Model Guns)
・ Drugs
・ Alchohol,cigarettes
・ Chemicals
・ Real estate
・ Intangible items (Services/items which cannot be physically shipped)
・ Items under the Washington Convention
・ Lithium-ion batteries (available in some countries)
・ Speakers
・ Wireless headphones, wireless earphones
・ Lighters
・ Illegal items
・ Flammable or explosive items
ex) Bleach,mercury, manicure instruments, nail polishers, perfume etc.
・ Some types of auto parts -
  • Wheels with tires (Wheels without tires are not prohibited)
  • Steering wheels with airbags (Steering wheels without airbags are not prohibited)
  • Suspensions
  • Parts of engines
  • Carbureters
  • Parts which touched gasoline/oil.

    Please also closely check the website of Japan Post.

  • Scam and Customer's responsibility

    Most of Japanese sellers are conscientious and honest.However, it is also true that there are some people who fall victim to frauds. Please always check the seller's feedback score and read a description carefully using translate tool before you bid on an item.

    We do our best to help you get an item, contact a seller, make a payment and ship an item to you safely. However, we are not liable for the damage of the item, improper representation and any other fraudulent activities. So please place a bid with self-responsibility.

    If a seller has low feedback score or some negative feedback, we recommend you to stay away from them. Even if you haplessly fall victim to a fraud, you are responsible for all of the payment.

    Please also check the auction tips.

    Question about auctions

    If you want to make an inquiry about auctions, we will do that on your behalf. However, we cannot necessarily answer your question if there is not much time left before the end.

    Manual bid

    Our automated bidding system does not work under some conditions. Most of the cases fall into one or some of the conditions below.

    1.Items in the prohibited category
    Our automated system may refuse to bid on items in some categories where lots of prohibited items are listed. However, it does not necessarily mean we cannot handle the item. Please read the "prohibited items" section. If you don't think the item falls under any of those categories, please request us for a manual bid.

    2. Expensive items
    Please request us a manual bid if you want to bid 100,000 yen or more.

    3. When the seller's feedback score is not enough
    The required feedback score varies depending on your bid amount.

    • Bid amount : less than 30,000 yen - 1 positive or more

    • Bid amount : 30,000 yen or more - 3 positives or more

    • Bid amount : 50,000 yen or more - 5 positives or more

    Even if our real time bidding system does not work because of the seller's feedback score, you can request us for a manual bid.

    4. Dutch auctions
    Our automated system does not work for auctions whose quantity is two or more.

    5.Adult items (Pornographic materials) in a certain condition
    Adult items are not allowed to bid in case it is prohibited by law in your country.

    6. When your bid price is higher than 100 x current price.
    Yahoo Japan Auction allows you to bid up to 100 times as much as the current price.

    The error may not necessarily fall into the aforementioned cases. If you encounter a system error, please use the manual bid service. We will comprehensively check the item to see if we can handle it or not. If there is no problem, we will place a bid on your behalf.


    Once you bid on an item, we cannot accept any cancellation under any circumstances. So please check out the descriptions and photos in advance. If you have a question about the item, we can ask the seller on your behalf.