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API for Developers

35 endpoints across 7 product categories. VIN intelligence, safety data, pricing, ownership costs, dealer analytics, and marine data.

Authentication

All API requests require a Bearer token in the Authorization header. Get your API key from the dashboard after signing up.

Authorization: Bearer sk_live_your_api_key_here

Free tier keys start with sk_free_, paid keys start with sk_live_. Keys can be rotated at any time from your dashboard. Never share your API key publicly.

Endpoint Reference

35 endpoints grouped by product. Click any endpoint to see parameters, example requests, and example responses.

Core Auto

Free10 endpoints

VIN Intelligence

$29/mo3 endpoints

Safety Intelligence

$19/mo3 endpoints

Pricing Intelligence

$29/mo4 endpoints

Ownership Costs

$24/mo5 endpoints

Dealer Intelligence

$19/mo5 endpoints

Marine

$29/mo5 endpoints

Quick Start

1$ curl -X GET "https://api.otdcheck.com/v1/vin/1HGCV1F34PA123456" \
2 -H "Authorization: Bearer sk_live_..." \
3 -H "Content-Type: application/json"
Response - 200 OK
1{
2 "vin": "1HGCV1F34PA123456",
3 "fair_price": {
4 "low": 22400,
5 "mid": 24100,
6 "high": 25800
7 },
8 "recalls": [{
9 "nhtsa_id": "24V-108",
10 "component": "Fuel System",
11 "severity": "HIGH"
12 }],
13 "days_on_lot": 34,
14 "dealer_score": "B+"
15}

Code Examples

cURL
# Search for Toyota Camry near 90210 curl "https://api.otdcheck.com/v1/search\ ?make=Toyota&model=Camry&zip=90210" \ -H "Authorization: Bearer sk_live_..." # Get VIN details curl "https://api.otdcheck.com/v1/vin/\ 1HGCV1F34PA123456" \ -H "Authorization: Bearer sk_live_..." # Check safety ratings curl "https://api.otdcheck.com/v1/safety/\ 1HGCV1F34PA123456" \ -H "Authorization: Bearer sk_live_..."
Python
import requests API_KEY = "sk_live_..." BASE = "https://api.otdcheck.com/v1" headers = { "Authorization": f"Bearer {API_KEY}" } # Search listings r = requests.get( f"{BASE}/search", params={"make": "Toyota", "zip": "90210"}, headers=headers, ) listings = r.json()["results"] # Get VIN details vin = listings[0]["vin"] detail = requests.get( f"{BASE}/vin/{vin}", headers=headers, ).json() print(f"Price: {detail['fair_price']['mid']:,{'}'}")
JavaScript
const API_KEY = "sk_live_..."; const BASE = "https://api.otdcheck.com/v1"; const headers = { Authorization: `Bearer ${API_KEY}`, }; // Search listings const searchRes = await fetch( `${BASE}/search?make=Toyota&zip=90210`, { headers } ); const { results } = await searchRes.json(); // Get VIN details const vin = results[0].vin; const detailRes = await fetch( `${BASE}/vin/${vin}`, { headers } ); const detail = await detailRes.json(); console.log( `Price: $${detail.fair_price.mid}` );

Who Uses the API?

Developers and Startups

Car-shopping apps, browser extensions, and Slack bots that surface price alerts and recall notifications.

Auto Dealers

Bulk VIN enrichment to benchmark inventory against the broader market and spot overpriced units.

Insurance Companies

Recall status and price history to refine underwriting models and automate total-loss valuations.

Hedge Funds

Market pulse endpoint to track macro trends in used-vehicle supply, pricing velocity, and demand shifts.

Auto Lenders

Verify collateral values at origination and monitor portfolio-level depreciation curves.

Anyone Else

Free-tier users can prototype and validate an integration in minutes. Paid plans scale to millions of requests.

Pricing

Start free. Scale when you need to.

Auto API

Automotive market intelligence
Free
$0
100 calls/mo
  • VIN lookup
  • Recall checks
  • Basic price data
  • No credit card
ProPOPULAR
$49/mo
25,000 calls/mo
  • Full price history
  • Dealer scores
  • Market analytics
  • Bulk VIN checks
  • Email support
Enterprise
$199/mo
100,000 calls/mo
  • Everything in Pro
  • Bulk data feeds
  • Alt data signals
  • Priority support + SLA
  • Onboarding call

Marine API

Boat & marine market intelligence
Free
$0
100 calls/mo
  • Boat search
  • Marine listings
  • Basic pricing
  • No credit card
ProPOPULAR
$69/mo
15,000 calls/mo
  • Full boat listings
  • Marine dealer data
  • Pricing intelligence
  • Email support
Enterprise
$249/mo
75,000 calls/mo
  • Everything in Pro
  • Bulk marine feeds
  • Seasonal analytics
  • Priority support + SLA
  • Onboarding call

Get Your API Key

Start with 100 free calls/month. No credit card required.

Frequently Asked Questions