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Donny Nguyen
Donny Nguyen

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AutoTrader Car Search API — Free to Use

#webdev #javascript #api #productivity

Search Cars on AutoTrader with This Simple API

Finding cars for sale shouldn't require web scraping or browser automation. The AutoTrader Car Search API gives you programmatic access to search listings by make, model, and price—perfect for building car comparison apps, price trackers, or inventory tools.

What It Does

This API queries AutoTrader's database and returns car listings matching your search criteria. You can filter by:

  • Make (Ford, Honda, Tesla, etc.)
  • Model (Civic, Mustang, etc.)
  • Price range (budget constraints)

The response includes essential details like pricing, mileage, location, and vehicle specs—everything you need to display results to users or perform market analysis.

Getting Started

You'll need a RapidAPI key. Sign up for free on RapidAPI, then grab your API key from the dashboard.

Code Example

Here's how to search for Honda Civics using fetch:

const axios = require('axios');

const options = {
  method: 'GET',
  url: 'https://autotrader-car-search-api-production.up.railway.app/api/search',
  params: {
    make: 'Honda',
    model: 'Civic',
    price_min: 15000,
    price_max: 25000
  },
  headers: {
    'x-rapidapi-key': 'YOUR_API_KEY_HERE',
    'x-rapidapi-host': 'autotrader-car-search-api-production.up.railway.app'
  }
};

axios.request(options).then(function (response) {
  console.log(response.data);
}).catch(function (error) {
  console.error(error);
});
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Or using vanilla fetch:

fetch('https://autotrader-car-search-api-production.up.railway.app/api/search?make=Honda&model=Civic&price_min=15000&price_max=25000', {
  method: 'GET',
  headers: {
    'x-rapidapi-key': 'YOUR_API_KEY_HERE',
    'x-rapidapi-host': 'autotrader-car-search-api-production.up.railway.app'
  }
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error('Error:', error));
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Response Format

Expect JSON with an array of car objects containing:

  • Price
  • Mileage
  • Year
  • Location
  • Transmission type
  • Vehicle condition
  • Direct listing URL

Real-World Use Cases

  • Price tracking dashboards – Monitor market values over time
  • Comparison tools – Let users compare specs and prices side-by-side
  • Mobile apps – Build a native iOS/Android car search experience
  • Market analysis – Aggregate data on inventory trends

Next Steps

The setup is straightforward—no authentication headaches, just your API key. The free tier gives you enough requests to prototype and test before scaling.

Ready to build? Check out the API on RapidAPI and start integrating AutoTrader search into your app today.

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