CarOnSale

CarOnSale is an AI-supported B2B marketplace for used-car trading across Europe, operated by Castle Tech GmbH. Licensed dealers, OEMs, fleet operators, and leasing companies buy and sell used vehicles through digital auctions built on standardized 110-point condition assessments, AI-based pricing and valuation, and integrated transport and financing services. The platform connects sellers (dealer groups, OEMs, leasing and rental companies) with a European network of professional buyers, handling procurement, price discovery, settlement, and logistics end to end. Added to the API Evangelist network as a venture-portfolio company; no public developer API surface was found during enrichment.

CarOnSale is profiled on the APIs.io network. Tagged areas include Company, Automotive, Marketplace, Used Cars, and B2B.

CarOnSale’s developer surface includes engineering blog, support, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub

12.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

CompanyAutomotiveMarketplaceUsed CarsB2BAuctionsVehicle RemarketingEurope

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 12.3/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 1.3 / 20

Commercial Clarity 4.2 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

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/caronsale: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: caronsale
name: CarOnSale
description: CarOnSale is an AI-supported B2B marketplace for used-car trading across Europe, operated by Castle Tech GmbH.
  Licensed dealers, OEMs, fleet operators, and leasing companies buy and sell used vehicles through digital auctions built
  on standardized 110-point condition assessments, AI-based pricing and valuation, and integrated transport and financing
  services. The platform connects sellers (dealer groups, OEMs, leasing and rental companies) with a European network of professional
  buyers, handling procurement, price discovery, settlement, and logistics end to end. Added to the API Evangelist network
  as a venture-portfolio company; no public developer API surface was found during enrichment.
url: https://raw.githubusercontent.com/api-evangelist/caronsale/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- creandum
- insight-partners
- northzone
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
image: https://cdn.prod.website-files.com/62a3558d1a7510cfd014d40d/6a3d28ae9fde107e35042d9a_opengraph-COS-main-page.png
tags:
- Company
- Automotive
- Marketplace
- Used Cars
- B2B
- Auctions
- Vehicle Remarketing
- Europe
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.caronsale.com/
- type: Blog
  url: https://www.caronsale.com/blog
- type: Support
  url: https://www.caronsale.com/kontakt
- type: TermsOfService
  url: https://www.caronsale.com/terms
- type: PrivacyPolicy
  url: https://www.caronsale.com/privacy-policy
- type: DomainSecurity
  url: security/caronsale-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence