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Auction Data API

Auction Data API for Your Platform

Structured, near real-time vehicle-auction feeds delivered via REST API – ready to power your own portal, pricing engine or internal tools.

Already have a platform or data product? Plug in our feed instead of maintaining dozens of fragile crawlers and manual imports.

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Why use the CarGenius auction feed?

One connection instead of dozens of scripts. You focus on UX, pricing and sales – we handle data collection, structuring and updates.

Instant structured data

  • • Vehicle make, model, body type, VIN
  • • Mileage, first registration and more
  • • Current / final price & currency
  • • Up to 30 hi-res photos per lot
  • • Status: upcoming, live, sold, failed
  • • Multiple European auction houses (growing)

Plug-and-play integration

  • • Real-time webhooks (low latency)
  • • Scheduled bulk imports (CSV, JSON)
  • • REST / JSON endpoints
  • • Automatic retries & rate limits
  • • SDKs for PHP, Python, Node, Go
  • • GDPR-compliant EU hosting

Built for your products

  • • Car search & comparison engines
  • • Vehicle history & valuation services
  • • Market analytics & AI pricing models
  • • Sourcing tools for dealers & fleets
  • • Enrich existing auction sites
  • • Save engineering hours on crawling & cleaning

Auction Data API overview

Stream live listings, track auction events and (optionally) monitor your own bidding activity – all with one API key.

  • Auth: ?key=YOUR_API_KEY
  • Base URL: https://api.cargenius.info
  • Latency: low seconds from auction house to API
  • Recommended pull: every 60 s (or subscribe to webhooks)
Main methods
  • GET auctionList – live & upcoming auctions
  • GET carList – full vehicle details for cars
  • POST addBid – (optional) place / raise a bid programmatically
  • GET myBids – your active & past bids
  • GET filters – available makes / models / fuels
Request full API docs

Looking for franchise or white-label solutions instead? See our business models. 

# List live auction blocks (events) – newest first
curl -G https://api.cargenius.info/ \
  --data-urlencode "method=auctionList" \
  --data-urlencode "key=YOUR_API_KEY"
{
  "data": [
	{
	  "auctionId": "89231",
	  "supplier": "LeasePlan Germany",
	  "title": "End-of-lease May 28 batch",
	  "starts": "2025-12-07T08:00:00Z",
	  "ends":   "2025-12-09T10:00:00Z",
	  "lotCount": 27
	},
	{
	  "auctionId": "89224",
	  "supplier": "Athlon Belgium",
	  "title": "Athlon Electric – Week 22",
	  "starts": "2025-12-07T07:30:00Z",
	  "ends":   "2025-12-09T09:00:00Z",
	  "lotCount": 15
	}
  ]
}

Start pulling auction lots in minutes.

Tell us about your volume, markets and use case – we’ll propose the best setup and pricing.

Talk to our team