---
title: "API Documentation - Old Cars Data"
description: "Complete API reference for the Old Cars Data classic car auction API."
url: "https://oldcarsdata.com/docs"
dateModified: "2026-01-31T07:25:38.363Z"
type: "api-docs"
tags: ["API", "documentation"]
---

# Old Cars Data API Documentation

## Overview

The Old Cars Data API provides access to classic car auction data from Bring a Trailer, Cars & Bids, Hagerty, PCAR Market, and All Collector Cars.

## Available Endpoints

- [Get Auctions](/docs/auctions) - Retrieve paginated auction listings with filtering and sorting options. Starter plan users are limited to the latest 20 auctions.
- [Get Stats](/docs/stats) - Get statistical information about auctions including price trends and sell-through rates. Requires a paid plan (not available on free accounts).
- [Get Makes](/docs/makes) - Get a list of all available makes in the database.
- [Get Models](/docs/models) - Get a list of available models for a specific make.

## Authentication

Most endpoints require an API key. Include it in the Authorization header:

```
Authorization: Bearer YOUR_API_KEY
```

## Getting Started

1. [Create an account](https://oldcarsdata.com/login)
2. Get your API key from the dashboard
3. Start making requests

## Related Links

- [Getting Started Guide](/docs/getting-started)
- [API Pricing](/pricing)
