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