Hologram allows users on the Professional and Enterprise plans to get location information for their SIMs. To get this information via the REST API you need to place a GET call on:
 https://dashboard.hologram.io/api/1/devices/YOUR_DEVICE_ID

That will return a lastsession JSON object with an approximation of your device's latitude and longitude. 

The information provided is based on cell tower triangulation, so accuracy varies depending on the SIM's location and tower density in the region. For dense cities the location of the SIM should be within a 1 Kilometer (0.62 Mile) radius. For more accurate location information we suggest using a GPS module.

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