Openweathermap Api ✦ Fully Tested

| Plan | Rate Limit | Features | |-------------|----------------------------|-------------------------------------------| | Free | 60 calls/min | Current weather, 5-day forecast, air pollution | | Startup | 60 calls/min | + hourly forecast, 40+ years history | | Developer | 600 calls/min (or higher) | + daily forecast, weather maps, bulk download | | Professional| Custom | + unlimited API calls, enterprise SLAs |

"cod": "401", "message": "Invalid API key. Please see https://openweathermap.org/faq#error401 for more info." openweathermap api

| Code | Meaning | |------|-----------------------------| | 200 | Success | | 400 | Bad request (invalid params)| | 401 | Invalid API key | | 404 | City/location not found | | 429 | Too many requests (rate limit exceeded)| | 500 | Server error | | Plan | Rate Limit | Features |

curl "https://api.openweathermap.org/data/2.5/air_pollution?lat=35.68&lon=139.76&appid=YOUR_API_KEY" OpenWeatherMap returns standard HTTP status codes: enterprise SLAs | "cod": "401"