docin

docin (豆丁网, docin.com) is a Chinese C2C document-sharing platform operated by Beijing Docin Century Network Technology (北京豆丁世纪网络技术有限公司) that faces the global market. The platform hosts over 1.3 billion documents, books, magazines, and publications spanning education, architecture and construction, business and contracts, medical and psychological materials, industry reports, and legal documents, supporting both learning and practical application. It offers a "豆丁书房" (Docin Reading Room) mobile reading app and VIP membership tiers. docin was surfaced as a portfolio company of Qiming Venture Partners and added to the API Evangelist network. Probing found no public developer or API platform: open.docin.com 301-redirects to the homepage, /app/api returns 404, and no /.well-known discovery documents are published.

docin is profiled on the APIs.io network. Tagged areas include Company, Documents, Document Sharing, Content, and Publishing.

🌐 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

CompanyDocumentsDocument SharingContentPublishingEducationChina

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/docin: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: docin
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/docin.png
name: docin
description: 'docin (豆丁网, docin.com) is a Chinese C2C document-sharing platform operated by Beijing Docin Century Network
  Technology (北京豆丁世纪网络技术有限公司) that faces the global market. The platform hosts over 1.3 billion documents, books, magazines,
  and publications spanning education, architecture and construction, business and contracts, medical and psychological materials,
  industry reports, and legal documents, supporting both learning and practical application. It offers a "豆丁书房" (Docin Reading
  Room) mobile reading app and VIP membership tiers. docin was surfaced as a portfolio company of Qiming Venture Partners
  and added to the API Evangelist network. Probing found no public developer or API platform: open.docin.com 301-redirects
  to the homepage, /app/api returns 404, and no /.well-known discovery documents are published.'
url: https://raw.githubusercontent.com/api-evangelist/docin/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- qiming
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Documents
- Document Sharing
- Content
- Publishing
- Education
- China
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/docin-domain-security.yml
- type: Website
  url: https://docin.com
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

docin

Kin Score

Security Posture 1

Docin Domain Security

Resources

Access & Security 1

Company 1

Source (apis.yml)