Petrarch

Petrarch is a Y Combinator (Summer 2026) data-marketplace company based in San Francisco that unlocks enterprise data for the AI economy. Petrarch sources proprietary, enterprise-facing datasets from distressed businesses and legacy industries such as construction, manufacturing, and logistics, clears and anonymizes them, and brokers them to AI companies and research labs building for the physical world. Notable data types transacted include construction plans, autonomous-driving recordings, and codebases. The company was founded by Harvard graduates Ian Lee, Samuel Hahn, and Sudhish Swain, with prior experience at organizations including Scale AI. As of this profile Petrarch operates a public marketing website but does not publish a public developer API, SDKs, or developer documentation.

Petrarch is profiled on the APIs.io network. Tagged areas include Company, Data Marketplace, Data Engineering, Enterprise Data, and Artificial Intelligence.

🌐 Visit website 📡 Source on GitHub
6.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyData MarketplaceData EngineeringEnterprise DataArtificial IntelligenceB2BMarketplaceY Combinator

Kin Score

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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/petrarch: 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.

Petrarch Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: petrarch
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/petrarch.png
name: Petrarch
description: Petrarch is a Y Combinator (Summer 2026) data-marketplace company based in San Francisco that unlocks enterprise
  data for the AI economy. Petrarch sources proprietary, enterprise-facing datasets from distressed businesses and legacy
  industries such as construction, manufacturing, and logistics, clears and anonymizes them, and brokers them to AI companies
  and research labs building for the physical world. Notable data types transacted include construction plans, autonomous-driving
  recordings, and codebases. The company was founded by Harvard graduates Ian Lee, Samuel Hahn, and Sudhish Swain, with prior
  experience at organizations including Scale AI. As of this profile Petrarch operates a public marketing website but does
  not publish a public developer API, SDKs, or developer documentation.
url: https://raw.githubusercontent.com/api-evangelist/petrarch/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- y-combinator
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
x-enrichment:
  date: '2026-07-20'
  status: nochange
  artifacts_added: 0
  pass: local-v1
tags:
- Company
- Data Marketplace
- Data Engineering
- Enterprise Data
- Artificial Intelligence
- B2B
- Marketplace
- Y Combinator
apis: []
common:
- type: DomainSecurity
  url: security/petrarch-domain-security.yml
- type: Website
  url: https://petrarch.co/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io