Auction Valuation Data for AI

Fuel AI car-buying, pricing, and investing agents with the freshest, most trusted auction data.

GET /auctions?make=Toyota&model=Land+Cruiser
{
  "data": [
    {
      "id": 12345,
      "source": "bringatrailer",
      "url": "https://bringatrailer.com/listing/...",
      "title": "1970 Toyota Land Cruiser FJ40",
      "auction_status": "sold",
      "price": 45000,
      "year": 1970,
      "mileage": 85000,
      "ocd_make_name": "Toyota",
      "ocd_model_name": "Land Cruiser",
      "stats": {
        "views": 1250,
        "watches": 45,
        "bids": 23
      }
    }
  ],
  "meta": {
    "total": 150,
    "page": 1,
    "limit": 10
  }
}

Get Access

Subscribe to receive your API key via email

Starter

FREE

10 credits per month

All makes & models
All auction platforms
Recent sales data
Historical archive

1k

$49 per month

1,000 credits per month

All makes & models
All auction platforms
Recent sales data
Historical archive

10k

$199 per month

10,000 credits per month

All makes & models
All auction platforms
Recent sales data
Historical archive

Create an account to get your API key

Features

  • Multiple Data Sources: Bring a Trailer and Cars & Bids (adding more platforms soon)
  • Comprehensive Auction Details: Final sale prices, auction status, bid counts, view/watcher metrics, reserve indicators
  • Complete Vehicle Specifications: Make, model, year, VIN, mileage, engine, drivetrain, transmission, body style
  • Detailed Condition Information: Exterior/interior colors, title status, modifications, known flaws, service history
  • Location & Seller Data: City, state, ZIP, seller type and username tracking
  • Full Listing Content: Descriptions, ownership history & listing details
  • Historical Trends: Track auction dates, price movements, and market activity over time

Why Old Cars Data?

Easy Integration

Old Cars Data API is simple & well-documented, allowing for fast, low-cost integration

Coverage & Features

We cover major auction platforms including Bring a Trailer, Cars & Bids, and more, and we continue to expand our offering

Reliable & Accurate

We normalize data across platforms to ensure consistent, verified records for accurate market analysis

No Code? No Problem

Use AI assistants or automation tools to query auction data without writing code yourself.

AI Assistants

Ask ChatGPT, Claude, or Copilot to write a script that queries our API. Describe what you want in plain English and run the generated code on your computer.

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Zapier

Connect auction data to 5000+ apps without code. Automate workflows that fetch auction results and send them to your favorite tools.

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Google Sheets

Get live classic car auction data in Google Sheets at the click of a button. No programming skills needed.

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Frequently Asked Questions