MarketCheck website screenshot

MarketCheck

MarketCheck is an automotive market data platform providing REST APIs for accessing new and used vehicle listings, VIN decoding, market valuations, dealer inventory, and vehicle history data. The platform aggregates billions of data points from over 44,000 US and 3,500 Canadian dealerships, offering daily-updated inventory search, price prediction, market days supply, OEM incentives, auction listings, and third-party integrations for recalls, title checks, and plate-to-VIN lookups.

MarketCheck publishes 10 APIs on the APIs.io network, including VIN Decoder API, Dealer API, and 8 more. Tagged areas include Automotive, Vehicle Data, VIN Decoder, Car Inventory, and Market Data.

The MarketCheck catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

MarketCheck’s developer surface includes documentation, engineering blog, pricing, and 9 more developer resources.

40.3/100 thin ▬ flat Agent 29/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
15 APIs
AutomotiveVehicle DataVIN DecoderCar InventoryMarket DataDealer InventoryVehicle ValuationVehicle HistoryPrice AnalyticsAutomotive Intelligence

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 40.3/100 · thin
Contract Quality 15.2 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 0.7 / 13
Governance 7.0 / 12
Discoverability 7.4 / 10
Agent readiness — 29/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/marketcheck: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 15

Individual APIs this provider publishes, each with its own machine-readable definition.

MarketCheck VIN Decoder API

Decode 17-digit VINs to extract year, make, model, trim, installed equipment, and full vehicle specifications. Available in Basic and NeoVIN Enhanced tiers for comprehensive bui...

MarketCheck Vehicle History API

Access complete price history, odometer readings, and full listing details for vehicles up to six years back by VIN, enabling market analysis and vehicle valuation insights.

MarketCheck Price API

Predict market prices and retrieve MSRP for used vehicles. Three tiers available: Base (predicted price + MSRP), Premium (adds comparable vehicles), and Premium Plus (adds full ...

MarketCheck Dealer API

Search individual dealerships or locate multiple dealerships in a geographic area by radius. Access dealer profiles, inventory counts, and dealership group information.

MarketCheck Market Insights API

Obtain Market Days Supply (MDS) values, sales statistics, and popular vehicle data to understand supply and demand dynamics across the automotive market.

MarketCheck OEM Incentives API

Search incentive programs from 30+ car manufacturers by make, zip code, and other criteria to surface OEM financing, rebate, and lease offers.

MarketCheck RV API

Search recreational vehicle (RV) inventory and dealer listings across the US and Canada. Supports filtering by price, options, photos, and equipment details.

MarketCheck Dealer API

Dealer search and information

MarketCheck Facets API

Search facets for filtering

MarketCheck Graphs API

Plot data for visualizations

MarketCheck History API

Vehicle listing history

MarketCheck Inventory API

Dealer inventory operations

MarketCheck Listings API

Search and retrieve active car listings

MarketCheck Market API

Market analytics, trends, and pricing insights

MarketCheck VIN Decoder API

VIN decoding and vehicle specifications

Scroll for all 15

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Marketcheck Rate Limits

0 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Marketcheck Context

9 classes · 68 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

MarketCheck API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

MarketCheck Listing

25 properties

JSON SCHEMA

MarketCheck Search Response

4 properties

JSON SCHEMA

Examples 2

Example request and response payloads for these APIs.

Search Response Example

3 fields

EXAMPLE

Vin Decode Response Example

16 fields

EXAMPLE

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Marketcheck Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Marketcheck Agentic Access

27 operations

27 operations · 0 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: marketcheck
name: MarketCheck
description: MarketCheck is an automotive market data platform providing REST APIs for accessing new and used vehicle listings,
  VIN decoding, market valuations, dealer inventory, and vehicle history data. The platform aggregates billions of data points
  from over 44,000 US and 3,500 Canadian dealerships, offering daily-updated inventory search, price prediction, market days
  supply, OEM incentives, auction listings, and third-party integrations for recalls, title checks, and plate-to-VIN lookups.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/marketcheck.png
url: https://raw.githubusercontent.com/api-evangelist/marketcheck/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- Automotive
- Vehicle Data
- VIN Decoder
- Car Inventory
- Market Data
- Dealer Inventory
- Vehicle Valuation
- Vehicle History
- Price Analytics
- Automotive Intelligence
apis:
- name: MarketCheck VIN Decoder API
  description: Decode 17-digit VINs to extract year, make, model, trim, installed equipment, and full vehicle specifications.
    Available in Basic and NeoVIN Enhanced tiers for comprehensive build-level data.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.marketcheck.com/apis/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - VIN Decoder
  - Vehicle Specifications
  - Vehicle Data
  properties:
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- name: MarketCheck Vehicle History API
  description: Access complete price history, odometer readings, and full listing details for vehicles up to six years back
    by VIN, enabling market analysis and vehicle valuation insights.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.marketcheck.com/apis/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Vehicle History
  - Price History
  - VIN
  properties:
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- name: MarketCheck Price API
  description: 'Predict market prices and retrieve MSRP for used vehicles. Three tiers available: Base (predicted price +
    MSRP), Premium (adds comparable vehicles), and Premium Plus (adds full NeoVIN decode).'
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.marketcheck.com/marketcheck-price/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Vehicle Pricing
  - Price Prediction
  - Market Valuation
  properties:
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- name: MarketCheck Dealer API
  description: Search individual dealerships or locate multiple dealerships in a geographic area by radius. Access dealer
    profiles, inventory counts, and dealership group information.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.marketcheck.com/apis/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Dealer Data
  - Dealership Inventory
  - Geographic Search
  properties:
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- name: MarketCheck Market Insights API
  description: Obtain Market Days Supply (MDS) values, sales statistics, and popular vehicle data to understand supply and
    demand dynamics across the automotive market.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.marketcheck.com/apis/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Market Analytics
  - Market Days Supply
  - Sales Data
  properties:
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- name: MarketCheck OEM Incentives API
  description: Search incentive programs from 30+ car manufacturers by make, zip code, and other criteria to surface OEM financing,
    rebate, and lease offers.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.marketcheck.com/apis/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - OEM Incentives
  - Automotive Incentives
  - Financing
  properties:
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- name: MarketCheck RV API
  description: Search recreational vehicle (RV) inventory and dealer listings across the US and Canada. Supports filtering
    by price, options, photos, and equipment details.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.marketcheck.com/apis/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - RV
  - Recreational Vehicles
  - Inventory Search
  properties:
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- aid: marketcheck:marketcheck-dealer-api
  name: MarketCheck Dealer API
  description: Dealer search and information
  humanURL: https://www.marketcheck.com/apis/cars/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Dealer
  properties:
  - type: OpenAPI
    url: openapi/marketcheck-dealer-api-openapi.yml
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- aid: marketcheck:marketcheck-facets-api
  name: MarketCheck Facets API
  description: Search facets for filtering
  humanURL: https://www.marketcheck.com/apis/cars/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Facets
  properties:
  - type: OpenAPI
    url: openapi/marketcheck-facets-api-openapi.yml
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- aid: marketcheck:marketcheck-graphs-api
  name: MarketCheck Graphs API
  description: Plot data for visualizations
  humanURL: https://www.marketcheck.com/apis/cars/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Graphs
  properties:
  - type: OpenAPI
    url: openapi/marketcheck-graphs-api-openapi.yml
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- aid: marketcheck:marketcheck-history-api
  name: MarketCheck History API
  description: Vehicle listing history
  humanURL: https://www.marketcheck.com/apis/cars/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - History
  properties:
  - type: OpenAPI
    url: openapi/marketcheck-history-api-openapi.yml
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- aid: marketcheck:marketcheck-inventory-api
  name: MarketCheck Inventory API
  description: Dealer inventory operations
  humanURL: https://www.marketcheck.com/apis/cars/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Inventory
  properties:
  - type: OpenAPI
    url: openapi/marketcheck-inventory-api-openapi.yml
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- aid: marketcheck:marketcheck-listings-api
  name: MarketCheck Listings API
  description: Search and retrieve active car listings
  humanURL: https://www.marketcheck.com/apis/cars/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Listings
  properties:
  - type: OpenAPI
    url: openapi/marketcheck-listings-api-openapi.yml
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- aid: marketcheck:marketcheck-market-api
  name: MarketCheck Market API
  description: Market analytics, trends, and pricing insights
  humanURL: https://www.marketcheck.com/apis/cars/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - Market
  properties:
  - type: OpenAPI
    url: openapi/marketcheck-market-api-openapi.yml
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
- aid: marketcheck:marketcheck-vin-decoder-api
  name: MarketCheck VIN Decoder API
  description: VIN decoding and vehicle specifications
  humanURL: https://www.marketcheck.com/apis/cars/
  baseURL: https://mc-api.marketcheck.com
  tags:
  - VIN Decoder
  properties:
  - type: OpenAPI
    url: openapi/marketcheck-vin-decoder-api-openapi.yml
  - type: Documentation
    url: https://docs.marketcheck.com/docs/api/cars
common:
- type: AgenticAccess
  url: agentic-access/marketcheck-agentic-access.yml
- type: DomainSecurity
  url: security/marketcheck-domain-security.yml
- type: Website
  url: https://www.marketcheck.com/
- type: Documentation
  url: https://docs.marketcheck.com/docs
- type: GitHubOrg
  url: https://github.com/MarketcheckCarsInc
- type: LinkedIn
  url: https://www.linkedin.com/company/marketcheckdata
- type: Blog
  url: https://www.marketcheck.com/category/automotive-api/
- type: Pricing
  url: https://www.marketcheck.com/apis/pricing/
- type: X
  url: https://x.com/MarketCheckCars
- type: Plans
  url: plans/marketcheck-plans-pricing.yml
- type: RateLimits
  url: rate-limits/marketcheck-rate-limits.yml
- type: FinOps
  url: finops/marketcheck-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com