Chrono24

Chrono24 is one of the world's leading online marketplaces for luxury and pre-owned watches, connecting tens of thousands of professional dealers and private sellers with buyers across more than 100 countries. Founded in 2003 and headquartered in Karlsruhe, Germany, the platform lists hundreds of thousands of watches and offers buyer protection through its Trusted Checkout escrow service, authentication, and integrated payment and shipping. Chrono24 operates as a consumer web and mobile marketplace and does not publish a public developer API; this profile is maintained in the API Evangelist network for company intelligence and demand tracking. Backed by Insight Partners and General Atlantic.

Chrono24 is profiled on the APIs.io network. Tagged areas include Company, Consumer, Marketplace, E-Commerce, and Luxury Goods.

6.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyConsumerMarketplaceE-CommerceLuxury GoodsWatchesCollectibles

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 6.8/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 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/chrono24: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

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

Chrono24 Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: chrono24
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/chrono24.png
name: Chrono24
description: Chrono24 is one of the world's leading online marketplaces for luxury and pre-owned watches, connecting tens
  of thousands of professional dealers and private sellers with buyers across more than 100 countries. Founded in 2003 and
  headquartered in Karlsruhe, Germany, the platform lists hundreds of thousands of watches and offers buyer protection through
  its Trusted Checkout escrow service, authentication, and integrated payment and shipping. Chrono24 operates as a consumer
  web and mobile marketplace and does not publish a public developer API; this profile is maintained in the API Evangelist
  network for company intelligence and demand tracking. Backed by Insight Partners and General Atlantic.
url: https://raw.githubusercontent.com/api-evangelist/chrono24/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- insight-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Consumer
- Marketplace
- E-Commerce
- Luxury Goods
- Watches
- Collectibles
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/chrono24-domain-security.yml
- type: Website
  url: http://www.chrono24.com/
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence