Tracking your account's overall usage can easily be done on the Dashboard's Usage page as instructed on this guide. However, if you want to get more in-depth information on a SIM's session by session usage you can do so by going to a specific SIM's page and hitting the Inspect button inside the Usage This Period panel.

This will open up a new tab with JSON information on the latest 100 sessions the SIM had. Pro tip, Mozilla's Firefox browser automatically formats and color codes JSON making it a breeze to read. 

The information you will get is as follows:
-linkid which is one of your SIM's identifiers
-record_id
which is the identifier for that specific session
-session_begin
which is the session start's timestamp
-timestamp
which is the session end's timestamp
-bytes
which is the amount of data used in the session
-imei
which is the IMEISV (IMEI + 2 final digits for software version) identifier for the modem the SIM is in
-cellid
which is the identifier for the cell your device is operating in
-lac
which is the location area code for the base transceiver station used
-network_name which is the name of the carrier the SIM was on during the session

This information is also available through our REST API using:
GET https://dashboard.hologram.io/api/1/usage/data?limit=Number_of_sessions_you_want&linkid=Your_SIM's_linkid

Please note that for your security Hologram only operates with session metadata. If you want to dive even deeper into your usage you'd need to use a device side network analyzer tool like tshark or bmon.

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