Inventory Search
LLMs & AI Agents
The Automotive
Intelligence Engine
Built for AI
Structured, grounded automotive data for LLMs, agents,
and AI workflows.
Who We Support
The Automotive Intelligence Layer
Trusted Across the Ecosystem
MarketCheck data is already deeply embedded across the automotive landscape, powering systems used by millions daily.
Major Dealer Groups
Lenders and Credit Unions
DMS Platforms
Marketing Platforms
Hedge Funds
Consumer Marketplaces
Insurers
Inventory Syndication Tools
Ad Tech Stacks
Data & AI Innovators
From search to finance to pricing to AI, if it touches vehicle data, we're likely behind it. Client references available under NDA.
Our Core Modules
Production-Ready Answers.
Agent-Grade Infrastructure
No parsing, no decoding, no training needed, just plug in and go.
- Structured, normalized, deduplicated vehicle listings, available via API or NLP.
NeoVIN™ Intelligence
Decode any VIN and enrich it with feature-level specs like drivetrain, tech packages, and safety features.Pricing & Incentives
Retail and wholesale pricing with regional context and OEM incentives.Vehicle History Snapshots
Listing timelines, ownership indicators, and inventory-level lifecycle insights.
Why It Matters
AI Needs Reliable Automotive Data
Without MarketCheck → Unreliable Answers
Vehicle listings are messy, inconsistent, and often incomplete. An AI system can sound confident while getting the details wrong.
With MarketCheck → Answers Grounded in Data
MarketCheck gives AI systems current, normalized inventory and vehicle intelligence they can use to answer questions and take action reliably.
75%
Shop Elsewhere
Most car buyers use third-party marketplaces and review sites while shopping
Cox Automotive(2025)
25%
Shop With AI Tools
New-vehicle buyers who used AI tools while shopping
Cox Automotive(2025)
5B+
AI Assistant Visits
ChatGPT, Claude, and others are reshaping the search funnel
Similarweb(2026)78,735
Dealer Sites Tracked
Franchise and independent dealer websites whose live inventory MarketCheck tracks, re-checked every day
API Docs(Sep 22)
What's Under the Hood
Our First Five Toolsets Deliver
More Than Raw Data
They return structured, query-ready answers built for real-time AI applications:
Inventory Search
NLP and parametric endpoints for nationwide, deduplicated listings
NeoVIN™
Feature-rich decoding with spec mapping across trims, packages, and model years
Incentives
Up-to-date OEM and regional offers, grounded in market context
MSRP
Normalized pricing by VIN and configuration, with historical tracking
Vehicle History
Listing timelines, ownership insights, and traceable lifecycle states
By Design
Each Toolset Is Optimized For
Low Latency Response
Agent and copilot workflows
Structured Output (JSON)
Built for LLM ingestion
Grounded in Real Listings
Agents stay accurate as the market shifts
And if you're building your own agent: our open SDK lets you launch your own agent experience using these same toolsets. Access the SDK
Mentions
Referenced by Leading
Publications and Researchers
Marketcheck, which collects used vehicle data in Britain, said that sales of used Teslas hit a record in July…”
Reuters - Sept 2025
Figures from MarketCheck, which tracks the inventories of more than 75,000 dealerships…”
The Economist - April 2025
In this report, we calculate residual values of electric and internal combustion engine (ICE) cars in the US using data from MarketCheck…”
Bloomberg - BloombergNEF, US EV Residual Values Report
We used vehicle listings provided by marketcheck.com as the primary source for odometer readings.”
Joule (Cell Press) - 2023
In this study, we gathered nationwide vehicle listings data from marketcheck.com…”
Alliance for Automotive Innovation - Presented at EVS36 by UC Davis, GWU, and the AAI
Automotive data firm MarketCheck crunched the figures for the last two years…”
EV Fleet World - Jul 2025
The data in Recurrent’s quarterly reports comes from our partner, Marketcheck.”
Recurrent Auto - Recurrent Used EV Market Report, 2024
We use vehicle listing data licensed from marketcheck.com, a market research firm that collects vehicle listing data…”
IOP Science - Environmental Research Letters, 2024
Statistics supplied by automotive intelligence provider Marketcheck UK shows that used EV stock has boomed by 149 per cent…”
This Is Money - Aug 2025
Marketcheck UK found that sales of used Teslas increased for the fourth consecutive month in February 2025…”
Daily Express - 2025
In the seven days following Jaguar’s ‘Copy Nothing’ rebrand on November 19, only 133 used Jaguars were sold on average each day, according to data from Marketcheck UK.”
GB News - Dec 2024
Marketcheck data reveals the average used EV price has dropped by £5,214…”
Cox Automotive - Q3 2025
April was a landmark month for the used electric van market. For the first time, more than 1,000 units were sold in a single month…”
Motor Trader - Alastair Campbell, MarketCheck UK · Jun 2026
Data from MarketCheck shows 41,136 used hybrids were sold during the month…”
AM Online - Mar 2026
Ready to Get Started?
Power Your AI With Reliable
Automotive Intelligence
From search to pricing to history: if it touches vehicle data, MarketCheck is behind it. Tell us what you are building and we will scope the data behind it.