About This App
Three-tier instant valuation: retail (private party), trade-in (dealer offer), and instant cash (quick sale). Uses VIN decode for exact specs, ML price prediction for retail and wholesale values, and recent sold comparables for market validation. Condition-adjusted with tips to maximize value.
Screenshots
MarketCheck API Endpoints Used
This app calls the following MarketCheck API endpoints under the hood:
Parameters
Pass these parameters when calling the estimate-trade-in tool or API endpoint:
| Parameter | Type | Required | Description |
|---|---|---|---|
vin | string | Yes | 17-character VIN |
miles | number | Yes | Current mileage |
zip | string | Yes | ZIP code |
condition | string | Yes | excellent, good, fair, or poor |
Derivative API Endpoint
This app is powered by a composite API endpoint that orchestrates multiple MarketCheck API calls:
Test this endpoint with your API key. See full documentation.
How to Use
1. In the Browser (Demo or Live Data)
Click "Launch App" above. Enter your MarketCheck API key in the settings gear for live data, or explore with demo data.
2. As an MCP App (AI Assistants)
Add the MarketCheck MCP server to Claude, VS Code, or any MCP-compatible host:
{
"mcpServers": {
"marketcheck-apps": {
"url": "https://apps.marketcheck.com/mcp?api_key=YOUR_KEY"
}
}
}
Then ask the AI to use the estimate-trade-in tool.
3. Embed in Your Portal
<iframe src="https://apps.marketcheck.com/apps/trade-in-estimator/dist/index.html?api_key=YOUR_KEY&embed=true" width="100%" height="700" style="border:none;border-radius:8px;" ></iframe>
4. Get a Free API Key
Sign up at developers.marketcheck.com to get a free API key and start testing.
Source Code
This app is open source and part of the MarketCheck API & MCP Apps monorepo:
The full repository contains 52 apps across 18 segments, plus full-stack chat demo implementations.