?AI-NET is a members-only online auction platform that allows you to list, edit, bid, live-bid, and check market prices for used trucks, passenger cars, construction & agricultural machinery, forklifts, motorcycles, parts, and more — all in one place.
The platform connects not only to all Arai Auction venues but also to partnered auction sites across Japan.
It’s designed for car dealers, exporters, buyers, and individual business owners, providing real-time access to a wide range of inventory.
AI-NET is accessible 24/7 from your PC, smartphone, or tablet, so you can handle everything from listing and bidding to winning and arranging transport — whether you’re in the office or on the go.
Covering a wide variety of categories, including used trucks, passenger cars, construction & agricultural machinery, forklifts, motorcycles, parts, etc., AI-NET is ideal for both domestic sales and sourcing for export.
If you’re looking to streamline the way you buy and sell used cars, trucks, or heavy equipment, AI-NET is the platform for you.
・Lowest bid fees in the industry (via Arai Auction)
・No in-person visit needed – save time and costs
・One of the largest inventories in the industry
・Nationwide search & bid on one platform
・From listing to bidding and transport – all online
・Multilingual support (Japanese & English) for foreign users
Listing Registration
List your vehicles online with Arai Auction; no handwritten forms are required.
Listing Adjustments（Premium Plan only）
Adjust listings remotely without attending the venue – save time and reduce operational costs.
AA Stock Listing
List unsold vehicles at a fixed price anytime without waiting for the next auction. Never miss a selling opportunity.
Store Inventory Listing
List your store inventory 24/7 at no cost. Fixed-price listings make it easy to sell and expand your sales channels.
* Vehicle inspection and photo upload required.
* A contract fee applies upon sale.
Web Bidding
Place absentee bids online for Arai and partner auctions from any internet-connected PC or device.
*Bidding deadlines apply. Some venues may charge bidding fees.
*Service availability depends on your plan.
Live Bidding
Bid live in real time at Arai and partner auctions nationwide.AA Stock Purchase
Buy unsold vehicles at fixed prices with one click — available during the listing period from Arai and partner auctions.
*Some services may be limited based on your subscription plan.
Shared Stock Purchase
Access over 50,000 vehicles from store inventory and partner services like JU Tentori and Σ Stock One Price — available 24/7, year-round.
*Service availability may vary depending on your plan.
Auction market price search
Favorite listings
Saved searches and filters
Manage listings and purchases
Check transaction history (vehicles, parts, etc.)
View live auction progress
Generate estimates and invoices
Request transport, negotiate deals, and submit/manage document or name transfer requests, etc.
AI-NET makes auctions easier with secure, flexible services like proxy bidding, shared inventory, and one-price purchases.
AI-NET members can join Arai Auctions and place bids using our exclusive Online and Real-time Bidding services.
・Participate in all auctions across the Arai Auction Group!
・Buy and sell a wide variety of vehicles—not just passenger cars!
AI-NET members can easily bid and win at partner auctions using our exclusive online and real-time bidding services.
・No need to register individually with all 63+ auction venues!
・Search from over 3.22 million vehicles annually!
・End-to-end support — from winning the bid to arranging land transport!
Arai Auction members and affiliated partners can list and purchase vehicles stored at their dealerships at any time, with fixed-price sales available 24/7.
・24/7 Access – Submit Listings & Negotiation Requests Anytime!
・For Sellers: Reduce vehicle transport costs
・Purchase instantly at a fixed (one-price) rate
Unsold vehicles from Arai and affiliated auctions are available for fixed-price purchase via AI-NET. Simply click to buy during the listing period.
・24/7 Listing & Purchasing Available!
・For Sellers: Make the most of the time before your next auction listing
・For Buyers: Instantly purchase vehicles at a fixed price
To make auction participation even smoother, Arai Auction and partner members can also access additional support such as vehicle inspection services and extended payment options.
・When You're Short on Time...Check key vehicle details without visiting the venue
・Keep your cash flow flexible with extended payment options
・Smooth and easy transport arrangements!
Over 35,000 Member Companies !
Access 80,000+ vehicles
listed every week!
※ Usage may be restricted depending on
your AI-NET plan.
※ Usage may be restricted depending on
your AI-NET plan.
AI-NET offers three flexible plans to match your needs — from those who want to use basic features for free, to those who wish to participate in real-time auctions. Use the comparison chart below to find the plan that’s perfect for your business.
| Feature | Free Plan | Basic Plan | Premium Plan |
|---|---|---|---|
| Use My Page | ◎ | ◎ | ◎ |
| Vehicle Listing Search | × | ◎ | ◎ |
| Market Price Search | × | ◎ (within 3 months, successful bids only) |
◎ |
| Premium Market Price Search | × | × | ◎ (includes up to 2 years & successful bids & unsold vehicles) |
| Absentee(Proxy) Bidding | × | ◎ | ◎ |
| Real-Time Bidding | × | × | ◎ |
| Listing Adjustment | × | × | ◎ |
| Monthly Fee | ¥0 | ¥2,000（excl. tax） | ¥12,000（excl. tax） |
| Payment Method | Credit Card | Credit Card | Credit Card |
| Registration | Free | Free | Free |
| Best For | Those who want to try basic features like My Page (listing registration, quote checking) for free | Those who want to search listings and use absentee(Proxy) bidding | Those who want to use all features including real-time bidding from the office or on the go |
| Details | |||
| Usage Environment | |||
With the dedicated AI-NET Mobile App, you can smoothly manage listings, check winning bids, submit inspection requests, and apply for negotiations — all from your smartphone or tablet.
The app also supports QR code vehicle scanning, making on-site operations faster and more efficient.
*Real-time bidding (AI-NET Real) is not available through the app.
Please use the PC version of AI-NET (Premium Plan required) to access real-time bidding features.
We’re continuously updating the app and plan to release new service options for AI-NET Mobile in the future.
*Access to some auction venues may be limited depending on your membership type.
*Log in with the same ID and password used for the PC version of AI-NET.
To provide a smoother, more intuitive, and reliable experience for all users, we have launched the AI-NET Usability Improvement Project. This initiative focuses on continuously enhancing system features, interface design, speed, and support based on user feedback and industry trends. Through regular updates and transparent communication, we aim to make AI-NET the most user-friendly and trusted online auction platform in the industry.
"Our goal is to steadily improve service quality and become No.1 in customer satisfaction."
To use AI-NET, you must be a registered member of Arai Auction. If you are not yet a member, you will not be able to apply for AI-NET. Members of partner auctions will need to apply for AI-NET registration separately. Click here to download the Arai Auction Membership Application Materials
