TheCarApi

A multi-source vehicle auction inventory REST/JSON API aggregating live and archived auction listings and European retail classifieds. Provides search, facets, catalog, auction detail & price history, VIN history, market intelligence, and import cost calculators. Fully specified via OpenAPI 3.1 with Postman collection and agent-native documentation (llms.txt).

TheCarApi publishes 1 API on the APIs.io network: REST API. Tagged areas include Automotive, Vehicle Data, Car Auctions, Used Cars, and Vehicle Inventory.

TheCarApi’s developer surface includes authentication, changelog, pricing, code examples, documentation, getting-started guide, API reference, and 22 more developer resources.

🌐 Visit website 📡 Source on GitHub

52.2/100 developing ▲ 21.0 Agent 23/100 agent aware Full breakdown ↓
scored 2026-09-02 · rubric v0.18.0

AccessFreemiumSelf serve⚡ Free to try

1 APIs

Automotive Vehicle DataCar AuctionsUsed Cars Vehicle Inventory Classifieds Market Intelligence Pricing VINImage CDNEurope KoreaJapan Auctions

Kin Score

Kin Score How this is scored →
scored 2026-09-02 · rubric v0.18.0

Composite quality — 52.2/100 · developing

Contract Quality 10.0 / 25

Developer Ergonomics 12.7 / 20

Access Clarity 12.6 / 20

Operational Transparency 8.2 / 13

Contract Governance 1.0 / 12

Discoverability 7.6 / 10

Agent readiness — 23/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/thecarapi: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

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

Rate Limits 1

Documented rate limits and quota policies.

Scopes 1

OAuth scopes governing access to this provider's APIs.

Thecarapi Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgentSkill

AgentSkill

LLMsTxt

LLMsTxt

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

Vocabulary

DataModel

Build 3

SDKs, sample code, and the tooling you integrate with

Examples

Examples

Examples

Examples

Postman

Postman

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

OAuthScopes

OAuthScopes

Operate 5

Status, limits, changes, and where to get help

StatusPage

ChangeLog

ChangeLog

RateLimits

Support

Commercial 4

Pricing, plans, and the legal terms of use

Plans

Pricing

TermsOfService

PrivacyPolicy

Company 1

The organization behind the API

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

name: TheCarApi
description: A multi-source vehicle auction inventory REST/JSON API aggregating live and archived auction listings and European
  retail classifieds. Provides search, facets, catalog, auction detail & price history, VIN history, market intelligence,
  and import cost calculators. Fully specified via OpenAPI 3.1 with Postman collection and agent-native documentation (llms.txt).
url: https://raw.githubusercontent.com/api-evangelist/thecarapi/refs/heads/main/apis.yml
image: https://thecarapi.com/og-image.png
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  - scopes
  - rate-limits
  - security
  - sandbox
  generated: '2026-09-02'
  method: derived
created: '2026-09-01'
modified: '2026-09-02'
specificationVersion: '0.21'
tags:
- Automotive
- Vehicle Data
- Car Auctions
- Used Cars
- Vehicle Inventory
- Classifieds
- Market Intelligence
- Pricing
- VIN
- Image CDN
- Europe
- Korea
- Japan Auctions
apis:
- name: TheCarApi REST API
  description: REST/JSON API for multi-source vehicle auction inventory, search, facets, auction detail and price history,
    VIN history, market intel, classifieds, and import cost calculation. API key required for live calls; docs and specs are
    unauthenticated.
  humanURL: https://thecarapi.com/docs
  baseURL: https://api.thecarapi.com
  tags:
  - Automotive
  - Vehicle Data
  - Car Auctions
  - Used Cars
  - Vehicle Inventory
  - Classifieds
  - Market Intelligence
  - Pricing
  - VIN
  - Image CDN
  - Europe
  - Korea
  - Japan Auctions
  properties:
  - type: OpenAPI
    url: https://thecarapi.com/openapi.json
  - type: PostmanCollection
    url: https://thecarapi.com/thecarapi.postman_collection.json
  - type: Documentation
    url: https://thecarapi.com/docs
  - type: LLMsTxt
    url: https://thecarapi.com/llms.txt
maintainers:
- FN: TheCarApi Support
  email: api@thecarapi.com
  url: mailto:api@thecarapi.com
generated:
  by: apis.io/add
  model: claude-opus-4-8
  confidence: 95
  at: '2026-09-01T19:53:13.514Z'
common:
- type: DomainSecurity
  url: security/thecarapi-domain-security.yml
- type: Authentication
  url: authentication/thecarapi-authentication.yml
- type: OAuthScopes
  url: scopes/thecarapi-scopes.yml
- type: Conventions
  url: conventions/thecarapi-conventions.yml
- type: ErrorCatalog
  url: errors/thecarapi-problem-types.yml
- type: Lifecycle
  url: lifecycle/thecarapi-lifecycle.yml
- type: StatusPage
  url: https://thecarapi.com/status
- type: ChangeLog
  url: https://thecarapi.com/changelog
- type: ChangeLog
  url: changelog/thecarapi-changelog.yml
- type: Plans
  url: plans/thecarapi-plans-pricing.yml
- type: Pricing
  url: https://thecarapi.com/pricing
- type: RateLimits
  url: rate-limits/thecarapi-rate-limits.yml
- type: Conformance
  url: conformance/thecarapi-conformance.yml
- type: Vocabulary
  url: vocabulary/thecarapi-vocabulary.yml
- type: Examples
  url: https://thecarapi.com/docs/code-examples
- type: Examples
  url: examples/thecarapi-examples.yml
- type: DataModel
  url: data-model/thecarapi-data-model.yml
- type: Overlay
  url: overlays/thecarapi-openapi-overlay.yaml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: https://thecarapi.com/llms.txt
- type: Postman
  url: https://thecarapi.com/thecarapi.postman_collection.json
- type: DeveloperPortal
  url: https://thecarapi.com/docs
- type: Documentation
  url: https://thecarapi.com/docs
- type: GettingStarted
  url: https://thecarapi.com/docs
- type: APIReference
  url: https://thecarapi.com/docs/thecarapi-api-reference.md
- type: Support
  url: https://thecarapi.com/contact
- type: Blog
  url: https://thecarapi.com/blog
- type: TermsOfService
  url: https://thecarapi.com/terms
- type: PrivacyPolicy
  url: https://thecarapi.com/privacy
x-enrichment:
  date: '2026-09-02'
  status: enriched
  artifacts_added: 0
  pass: local-v1

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