The NZPWI Invitational was a professional wrestling pay-per-view (PPV) event hosted by the website New Zealand Pro Wrestling Informer (NZPWI). The event was the first interpromotional show ever held in New Zealand and featured wrestlers from the country's three major promotions Impact Pro Wrestling, Kiwi Pro Wrestling, New Zealand Wide Pro Wrestling, and Peter Ball's Major Impact Wrestling from Australia now called Impact Pro Wrestling Australia. Held annually in 2006 and 2007, it was primarily a single-elimination tournament and included a 20-man battle royal semi-main event. The battle royal would end via pin or submission between the last two entrants, the winner of which would receive an entry for next year's invitational.
The event was largely organised by Dion McCraken, NZPWI editor-in-chief, whose intention was to bring attention to professional wrestling in New Zealand. Similar to the Super 8 Tournament in the United States or the Super J-Cup in Japan, it showcased the top talent of New Zealand's "big three" and provided the first major television exposure for many independent wrestlers in the Australasian region since the days of Steve Rickard's "On the Mat" during the 1980s. The show also served as a reunion of sorts for older veterans of the era. John da Silva, a champion amateur and pro wrestler during the 1960s and 70s, was in attendance at the 2006 invitational and presented the trophy to "Heartless" Alfred Valentine after winning the tournament.
It was one of the largest show's ever held in New Zealand and the event received some coverage by the national media. The 2006 NZPWI Invitational was promoted by Fight Times Magazine in March 2006. The Machine, an IPW wrestler and first entrant to battle royal, was featured in a cover story for the Horowhenua-Kapiti Weekend Chronicle on 29 July. Two of its participants, IPW wrestlers Alfred Valentine and Jon E. King, were interviewed on TV One's morning talk show Breakfast by Kay Gregory days prior to the event.