# ColorfulClouds

**Canonical:** https://apis.io/providers/colorfulclouds/  
**Website:** https://caiyunapp.com/  
**APIs profiled:** 6

ColorfulClouds Tech (彩云科技, Beijing-based) operates the Caiyun Weather API (api.caiyunapp.com), a hyperlocal weather + air quality forecasting service with minute-level precipitation, hourly forecasts up to 360 hours, daily forecasts up to 15 days, real-time AQI/pollutant readings, severe-weather alerts, and a precipitation map raster. The v2.6 platform powers consumer apps (Amap, Sina Weather) and enterprise weather integrations across China and globally, billed via tiered token plans on the Open Platform.

## Kin Score — 33.3 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 33.3).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 21.9 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

## Agent readiness — 34.7 (agent-ready)

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

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (6)

- **ColorfulClouds Air Quality API** — Real-time pollutant readings and AQI values under CHN and USA standards.
- **ColorfulClouds Alerts API** — Severe-weather alerts published by the China Meteorological Administration.
- **ColorfulClouds Forecast API** — Minute-level, hourly, and daily forecast endpoints.
- **ColorfulClouds Precipitation Map API** — Radar + nowcast precipitation map raster for live overlays.
- **ColorfulClouds Realtime API** — Real-time weather conditions at the requested location.
- **ColorfulClouds Weather API** — Combined weather envelope returning realtime, minutely, hourly, daily, and alerts in one call.

## Agentic access (1)

- **Colorfulclouds Agentic Access** — 8 operations

## Security (2)

- **Colorfulclouds Authentication** — apiKey · 1 scheme
- **Colorfulclouds Domain Security** — TLSv1.3

## Plans (1)

- **Colorfulclouds Plans Pricing**

## Tags

Weather, Forecasting, Air Quality, Precipitation, Hyperlocal, Geospatial, China

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