HiJoJo Partners

HiJoJo Partners Inc. (HiJoJo Partners株式会社) is a Tokyo-based independent asset management and fintech group, established in November 2017 and registered with the Director of the Kanto Local Finance Bureau (No. 3065) for Type II Financial Instruments Business, Investment Management Business, and Investment Advisory and Agency Business. The firm forms, sells and manages funds that give Japanese institutional and individual investors access to late-stage private and pre-IPO companies, and works to develop Japan's secondary market for unlisted shares. It operates three lines: HiJoJo Prime (in-person advisory for investors with 100M JPY or more in investable assets), HiJoJo.com (an online fund platform for individual investors with 30M JPY or more), and HiJoJo Private Market Solution for institutional investors and startups. HiJoJo joined the Nasdaq Private Market investor consortium in 2024 to expand secondary-market access in Japan. Its investor-facing platform is delivered as an authenticated member web application; the company publishes no public API, developer portal, SDK or machine-readable specification of any kind.

HiJoJo Partners is profiled on the APIs.io network. Tagged areas include Company, Financial Services, Investment Management, Private Markets, and Secondary Markets.

HiJoJo Partners’ developer surface includes product news, support, FAQ, signup flow, and 11 more developer resources.

12.8/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
0 APIs
CompanyFinancial ServicesInvestment ManagementPrivate MarketsSecondary MarketsPre-IPOVenture CapitalFintechJapanAsset Management

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 12.8/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 1.0 / 20
Access Clarity 6.8 / 20
Operational Transparency 0.0 / 13
Contract Governance 0.0 / 12
Discoverability 5.0 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
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 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Surface 0 / 5
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/hijojo-partners: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Hijojo Partners Rate Limits

0 limits

RATE LIMITS

Security Posture 1

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

Hijojo Partners Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Access & Security 1

Authentication, authorization, and security posture

Operate 4

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: hijojo-partners
name: HiJoJo Partners
description: 'HiJoJo Partners Inc. (HiJoJo Partners株式会社) is a Tokyo-based independent asset management and fintech group,
  established in November 2017 and registered with the Director of the Kanto Local Finance Bureau (No. 3065) for Type II Financial
  Instruments Business, Investment Management Business, and Investment Advisory and Agency Business. The firm forms, sells
  and manages funds that give Japanese institutional and individual investors access to late-stage private and pre-IPO companies,
  and works to develop Japan''s secondary market for unlisted shares. It operates three lines: HiJoJo Prime (in-person advisory
  for investors with 100M JPY or more in investable assets), HiJoJo.com (an online fund platform for individual investors
  with 30M JPY or more), and HiJoJo Private Market Solution for institutional investors and startups. HiJoJo joined the Nasdaq
  Private Market investor consortium in 2024 to expand secondary-market access in Japan. Its investor-facing platform is delivered
  as an authenticated member web application; the company publishes no public API, developer portal, SDK or machine-readable
  specification of any kind.'
image: https://www.hijojo-partners.com/ogp.jpg
url: https://raw.githubusercontent.com/api-evangelist/hijojo-partners/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
x-tier: stub
x-tier-reason: no-developer-program
specificationVersion: '0.20'
created: '2026-08-22'
modified: '2026-08-22'
tags:
- Company
- Financial Services
- Investment Management
- Private Markets
- Secondary Markets
- Pre-IPO
- Venture Capital
- Fintech
- Japan
- Asset Management
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/hijojo-partners-domain-security.yml
- type: Conformance
  url: conformance/hijojo-partners-conformance.yml
- type: LLMsTxt
  url: llms/hijojo-partners-llms.txt
- type: Website
  url: https://www.hijojo-partners.com/
- type: About
  url: https://www.hijojo-partners.com/en/about/company
- type: News
  url: https://www.hijojo-partners.com/en/news
- type: Support
  url: https://www.hijojo.com/support
- type: FAQ
  url: https://www.hijojo.com/faq
- type: SignUp
  url: https://members.hijojo.com/register/memberinfo
- type: Login
  url: https://members.hijojo.com/login
- type: TermsOfService
  url: https://www.hijojo.com/terms-of-service
- type: PrivacyPolicy
  url: https://www.hijojo.com/privacy-policy
- type: Contact
  url: https://www.hijojo-partners.com/en/inquiry
- type: Plans
  url: plans/hijojo-partners-plans-pricing.yml
- type: RateLimits
  url: rate-limits/hijojo-partners-rate-limits.yml
x-enrichment:
  date: '2026-08-22'
  status: minimal
  artifacts_added: 6
  pass: local-v1
x-coverage:
  state: none
  reason: no-developer-program
  detail: HiJoJo Partners ships an end-user investment platform only - the member application at members.hijojo.com is a login
    wall with no API behind it that the company documents, and DNS enumeration returns no api., dev., developer., docs., portal.
    or mcp. host on either hijojo-partners.com or hijojo.com.
  evidence:
  - url: https://members.hijojo.com/openapi.json
    status: 404
  - url: https://members.hijojo.com/graphql
    status: 404
  - url: https://www.hijojo-partners.com/openapi.json
    status: 404
  - url: https://www.hijojo-partners.com/llms.txt
    status: 404
  - url: https://www.hijojo.com/.well-known/agent-card.json
    status: 403
  - url: https://www.hijojo-partners.com/en/about/company
    status: 200
  checked: '2026-08-22'

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