Mercari tool will be available again from 2023-10-27 AM10 JST. The number of sessions will be limited to 2 for a while. If you couldn't access, please try about 10 minutes later.

Auction Support service

Use our Yahoo Japan Auction Bid tool. or bid yourself by the following method.


Yahoo Auction Bid tool
How to bid on Yahoo Japan Auction
Step 1: Login to Yahoo Japan Auction

1. Access to: https://auctions.yahoo.co.jp/

2. Click the following red rectanglar link at corner of top right.


3. Enter yahoo japan id and password.
Step 2: Bid

1. Access to your auction

2. Click Bid button


3. Enter your bid value


4. Confirm your bid value
Confirm bid value and click Agree guidline button.


5. Result

In case the following image is shown, you are max. bidder.
If not bid on it again by higher value.


STEP 3: Log out

1. Access to: https://auctions.yahoo.co.jp/

2. Click the following red rectanglar link at corner of top left.