About AI-NET

The ４Strengths of AI-NET

• Cost Advantage

  ・Lowest bid fees in the industry (via Arai Auction)

  ・No in-person visit needed – save time and costs

• Wide Inventory & Easy Search

  ・One of the largest inventories in the industry

  ・Nationwide search & bid on one platform

• Convenient All-in-One Features

  ・From listing to bidding and transport – all online

• Global Compatibility

  ・Multilingual support (Japanese & English) for foreign users

What You Can Do with AI-NET

• For Sellers

  • 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.

• For Buyers
  (Bidding & Purchasing)

  • Online Bidding

    Bid in Arai Auctions and partner auctions nationwide from your PC or smartphone. No need to visit the auction venue, bid anytime, from anywhere.
    *Bidding deadlines and service availability vary by auction venue.

  • Multiple Bidding Options

    Choose from a variety of bidding methods depending on the auction venue, including Real-Time Bidding, Proxy Bidding (Advance Auto Bid), Bid-Up Auctions (AI-NET PLUS), and Tender Auctions.
    *Available bidding methods vary by auction venue.

     

  • 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.

• Other Useful Features

  • 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.

  • Others

AI-NET Services

AI-NET makes auctions easier with secure, flexible services like proxy bidding, shared inventory, and one-price purchases.

• Online & Real-time
  Bidding Service

  AI-NET members can participate in auctions at Arai Auctions and partner auctions using AI-NET’s bidding and real-time services.

  • Available Auctions
  • Arai Auction Group
  • JU ×34 venues
  • HONDA ×6 venues
  • TAA ×11 venues *1
  • CAA ×4 venues *1
  • MIRIVE ×3 venues
  • ORIX ×4 venues
  • WIN ×1 venues
  • AEP ×1 venues
  • AI-NET PLUS
  • AUTOHUB (South Korea)
  • *1 Available to AI-NET Premium Plan members only.
    Key Benefits

  ・Participate in all Arai Auction Group auctions

  ・Buy and sell a wide range of vehicles and equipment

  ・No need to register separately with approximately 66 partner auction venues

  ・Search from over 3.22 million vehicles annually!

  ・One-stop support from vehicle purchase to land transportation.

  ・Access overseas auctions in South Korea as well!

• Store Inventory
  Service

  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.

  • Available Inventory
  • ARAI Inventory (All venues)
  • JU Tentori
  • TC-webΣ
  • Truck-ichi
    Key Benefits

  ・24/7 Access – Submit Listings & Negotiation Requests Anytime!

  ・For Sellers: Reduce vehicle transport costs

  ・Purchase instantly at a fixed (one-price) rate

• AA Stock Service

  Unsold vehicles from Arai and affiliated auctions are available for fixed-price purchase via AI-NET. Simply click to buy during the listing period.

  • Available Stock
  • ARAI All venues
  • JU Sokuraku
  • CAA One-price
  • TAA One-price
  • MIRIVE Pre-one
    Key Benefits

  ・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

• Other Services

  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.

  • Available Services
  • General Inspection Service (excluding ARAI Oyama Van & Truck)
  • Slide(Payment Extension)Service
    Key Benefits

  ・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!

Available Auctions

• Arai Auction (Van ＆Truck, Machinery & Motorcycle, 4W (Passenger Car))
• Partner Auctions: JU, TAA, CAA, Honda, MIRIVE, ORIX, WIN Auction, AEP
• AA (Auction) Inventory Purchase: Arai Auction, JU Sokuraku, ΣOne-price, MIRIVE Pre-one
• Tenpo Zaiko (Store Inventory) Purchase: Arai Store Inventory, JU Tentori, Σ Stock One Price, Truck-ichi
• Overseas Auctions: AUTOHUB(South Korea)
• AI-NET PLUS: Bidding and sales events hosted by rental and leasing companies

• 
  Arai Auction4W, VAN & TRUCK, MACHINERY
  （All venues）
• 
  Partner AuctionsJU, TAA. CAA, HONDA, MIRIVE, ORIX,
  WIN Auction, AEP, etc.

  ※ Usage may be restricted depending on
  your AI-NET plan.

• 
  Inventory Purchase Arai Auction, JU Sokuraku,
  Arai Inventory, JU Tentori,
  Σ Stock One Price, Truck-ichi, etc.

  ※ Usage may be restricted depending on
  your AI-NET plan.

• 
  Ascending AuctionBidding and sales events held
  nationwide through AI-NET PLUS

  ※ Usage may be restricted depending on
  your AI-NET plan.

• 
  Overseas AuctionsStarting in 2026, participate in South Korea’s
  automobile auction “AUTOHUB”

  ※ Usage may be restricted depending on
  your AI-NET plan.

AI-NET Plan Overview

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.

※ The mobile app is available for all plans at no additional cost.
※ Some features are available only on the PC (WEB) version.

AI-NET Mobile

AI-NET Mobile User Guide 　

AI-NET
Usability Improvement Project

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."

How to Apply for AI-NET

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

For businesses with a
secondhand dealer
license held for 2+ years

Who Can Apply

• Arai Auction Members
• Partner Auction Venue
  Members
• Store Inventory–Only Members
• AI-NET Construction
  Machinery–Only Members

Who Can Use AI-NET

• 
• 
• 
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Venue

• List, Bid, and Purchase Across
  All Arai Auction and Partner Venues
• List and Purchase via
  AI-NET Store Inventory
• Bid Access Only for Arai Construction
  Machinery Auctions

Available Features

Inquiries about AI-NET