# CarOnSale

**Canonical:** https://apis.io/providers/caronsale/  
**Website:** https://www.caronsale.com/  
**APIs profiled:** 0

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.

## Kin Score — 10.6 / 100 (minimal)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 10.6).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 7.1 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Caronsale Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Automotive, Marketplace, Used Cars, B2B, Auctions, Vehicle Remarketing, Europe

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/caronsale/). Scores are computed from the provider's own public artifacts under a published rubric.