Polychain Capital

Polychain Capital is a San Francisco-based investment firm founded in 2016 by Olaf Carlson-Wee that manages actively-managed portfolios of blockchain assets and cryptocurrencies, and invests as a venture firm in protocols and companies advancing the global adoption of digital assets. It surfaces in the API Evangelist network as a portfolio company of Union Square Ventures. The firm publishes no public API, developer portal, or documentation surface; this profile captures its identity and probed domain security posture only.

Polychain Capital is profiled on the APIs.io network. Tagged areas include Company, Venture Capital, Cryptocurrency, Blockchain, and Digital Assets.

6.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyVenture CapitalCryptocurrencyBlockchainDigital AssetsInvestmentWeb3

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/polychain-capital: 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.

Polychain Capital Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: polychain-capital
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/polychain-capital.png
name: Polychain Capital
description: Polychain Capital is a San Francisco-based investment firm founded in 2016 by Olaf Carlson-Wee that manages actively-managed
  portfolios of blockchain assets and cryptocurrencies, and invests as a venture firm in protocols and companies advancing
  the global adoption of digital assets. It surfaces in the API Evangelist network as a portfolio company of Union Square
  Ventures. The firm publishes no public API, developer portal, or documentation surface; this profile captures its identity
  and probed domain security posture only.
url: https://raw.githubusercontent.com/api-evangelist/polychain-capital/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- union-square-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Venture Capital
- Cryptocurrency
- Blockchain
- Digital Assets
- Investment
- Web3
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/polychain-capital-domain-security.yml
- type: Website
  url: https://polychain.capital
- type: LinkedIn
  url: https://www.linkedin.com/company/polychain-capital
- type: Careers
  url: https://jobs.polychain.capital
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 1
  pass: local-v1