What tokens are available?

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: