Many apps and watchfaces for Pebble smartwatch provide weather information and many of them require you to have your own key, unique for each weather provider. Here’s how to obtain API keys for 3 major most popular weather providers:

1. For Forecast.io register at https://developer.forecast.io/ – and at the very bottom of the page there will be long string of letters an numbers – that’s the key.
2. For OpenWeatherMap register at https://home.openweathermap.org/api_keys and you will see a form create your API key there
3. For WeatherUnderground go to https://www.wunderground.com/weather/api, click LOGIN button, fill the form to create account, go to “Key Settings” in menu and generate your API key there

It is *highly* recommended once you get your keys – save them at https://www.pmkey.xyz service. Then all you have to remember to get them is simple 5-digit pin and more and more watchfaces (CobbleStyle 2 being one of them) use this service for easy key retrieval.