ColorfulClouds Weather API
FreemiumDegradedNot yet verified
Global weather forecasts with minute-by-minute nowcasting and air-quality data by coordinates.
Example request
curl -s 'https://api.caiyunapp.com/v2.5/$API_KEY/-74.0060,40.7128/weather.json?lang=en_US&unit=imperial'
Free tier, in plain English
A shared demo token works for quick testing, but its quota is small and shared; production use needs your own token from the dashboard.
Alternatives in Forecasts
AccuWeatherCurrent conditions, forecasts, alerts and indices for locations worldwide from AccuWeather.FreemiumAEMET OpenDataOfficial Spanish weather forecasts, observations, and climate data, key required.FreeAPIXUDiscontinued weather API; apixu.com now server-redirects permanently to Weatherstack.AviationWeather (NOAA Aviation Weather Center)NOAA aviation weather: live METARs, TAFs, PIREPs, and SIGMETs for airports worldwide.FreeDark SkyRetired minute-by-minute forecast service bought by Apple; its successor is the WeatherKit REST API.