As a Self-Service Advertiser, you can use the following variables (dynamic tags/tokens) to track interesting data through your URL and your own tracking system:

{zoneid} - ID of the ad zone where the ad is displayed

${SUBID} - Unique ID for tracking conversions

{cost} - allows to track impressions/click cost (Please note that the token {cost} is compatible only with the Onclick campaign working on the smartCPM basis)

{campaignid} - allows referring data by campaign ID

{os} - allows tracking data by OS

{os_version} - allows tracking data by OS version

{device} - allows tracking data by device

{browser} - allows tracking data by browser

{browser_lang} - allows tracking data by browser language

{connection_type} - allows tracking data by connection type (3G\WIFI)

{carrier} - allows tracking data by ISP (carrier)

{geo} - allows to track data by countries

{state} - allows tracking data by states

{city} - allows tracking data by cities

{cohort} - allows tracking data by user activity

{pn_type} - allows tracking data by push-notification campaigns traffic type (Native Push, In-Page Push or Banner in case you use Cross Format Advertising)

{bannerid} - allows tracking data for each creative