{"items":[{"key":"overview","description":"Free sample - AQI for major world cities (Beijing, London, NYC, Sydney)","streaming":false},{"key":"city","description":"Get current AQI and pollutant data for any city","streaming":false},{"key":"geo","description":"Get AQI for specific coordinates (nearest station)","streaming":false},{"key":"search","description":"Search for air quality monitoring stations by keyword","streaming":false},{"key":"forecast","description":"Get AQI forecast (7-day) for a city","streaming":false},{"key":"compare","description":"Compare air quality across multiple cities","streaming":false}]}