The supported macros are:
{conversion} Conversion tracking
{pubfeed} Publisher Feed ID
{subid} Publisher Feed Subid
{state} Visitor's state
{country} Two-letter
visitor's country (ISO 3166-2)
{city} Visitor's city
{zip} Visitor's postal code (if available)
{os} Operation system
{browser} Browser
{carrier} Visitor's ISP
{ip} User IP
{campaign} Campaign ID
{banner} Ad ID
{bid} Bid price
{ga} Required for Google Analytics statistics
{aa} Required for Event tracking
{keyword} Keyword matched on campaign
{offer} Offer ID
{query} Keyword sent by publisher
{regerrer} Referrer URL(urlencoded){referrer_domain} Referrer domain
{device_type} Device Type{device_brand} Device brand
{ifa} Device Identifier
You can also find a more extended list on the section of the Creative creation on the campaign itself:
