# docin

**Canonical:** https://apis.io/providers/docin/  
**Website:** https://docin.com  
**APIs profiled:** 0

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.

## Kin Score — 2.5 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 2.5).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Education & Research**: 11.1 (matched via tags).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Docin Domain Security** — TLSv1.2

## Tags

Company, Documents, Document Sharing, Content, Publishing, Education, China

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/docin/). Scores are computed from the provider's own public artifacts under a published rubric.