DOCOMO is a Japanese provider that offers a suite of API tools meant to streamline application development. Developers can make calls to the Environment Sensor API in order to retrieve temperature, precipitation rates, and UV radiation detection from all 47 Japanese prefectures. These weather statistics are updated on an hourly basis. The Environment Sensor API can be implemented via REST and is accessible through it's corresponding Android & Java SDKs. DOCOMO also offers an API console to easily demo their many APIs.