# Downjoy (当乐网)

**Canonical:** https://apis.io/providers/d/  
**Website:** https://www.d.cn  
**APIs profiled:** 0

Downjoy (当乐网, d.cn) is a Chinese mobile game distribution and community platform operated by Beijing Downjoy Information Technology Co., Ltd (北京当乐信息技术有限公司). The site offers mobile game downloads, gaming news and original editorial content, game-related video, community features, and game rankings and recommendations. Downjoy also runs an open platform at open.d.cn where game publishers and developers register, create and submit games, integrate the Downjoy SDK, and manage launch and updates. Surfaced as a portfolio company of Qiming Venture Partners and added to the API Evangelist network; enriched with verified public identity and infrastructure probes.

## Kin Score — 6.9 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 6.9).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## 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)

- **D Domain Security** — TLSv1.3

## Tags

Company, Mobile Games, Gaming, Game Distribution, Developer Platform, SDK, China

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