You can use the following tags or macro's in your offer links for tracking purposes:
{site_id} - id of the site on which the ad is shown
{site_id} - id of the site on which the ad is shown
{site_name} - name of the site on which the ad is shown
{channel_id} - id of the channel on which the ad is shown
{channel_name} - name of the channel on which the ad is shown
{channel_placement_id} - type of the channel on which the ad is shown
{channel_placement_id} - type of the channel on which the ad is shown
{campaign_id} - id of the campaign
{campaign_name} - name of the campaign
{group_id} - id of the group
{group_name} - name of the group
{ad_id} - id of the ad
{ad_name} - title of the ad
{keywords} - list of keywords by which the ad was found
{bid} - bid rate
{bid} - bid rate
{v_country} - visitor country
{v_language} - visitor language
{v_browser} - visitor browser
{v_os} - visitor operating system
{ad_name} - title of ad ( except richmedia )
{v_device} - visitor device
{v_device type} - visitor device type
{v_carrier} - visitor carrier
{v_internet_provider} - visitor internet provider
{CLICK_ID} - unique click identifier
{USER_ID} - unique visitor identifier
{v_internet_provider} - visitor internet provider
{CLICK_ID} - unique click identifier
{USER_ID} - unique visitor identifier