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Aemet vs Caiyun Weather (彩云天气)

Both are solid Weather APIs. Choose based on your specific requirements.

Aemet

Weather and forecast data from Spain

Caiyun Weather (彩云天气)

Chinese hyper-local weather — minute-level precipitation forecast, air quality, global coverage

Aemet

  • Simple API key authentication
  • HTTPS supported

Caiyun Weather (彩云天气)

  • No authentication required
  • No HTTPS support
FeatureAemetCaiyun Weather (彩云天气)
AuthenticationapiKeyNone
HTTPSYesNo
CORSUnknownUnknown

When to use which?

Caiyun Weather (彩云天气) is the better choice for quick prototypes and hackathons since it requires no authentication. Aemet supports HTTPS, which is required for production deployments and secure data handling.