Its official, founded on July 5, 2025.

This is the platform according to Wikipedia:

Musk has stated that the America Party is focused on deficit reduction. In addition, the party supports deregulation, free trade, and immigration of high-skilled workers, according to The New York Times's Nate Cohn, who stated that its ideology "may be recognizable by the labels its critics on both the left and right have already assigned", referring to neoliberalism and globalism, respectively. https://en.wikipedia.org/wiki/America_Party
And this is the platform according to Elon's X.com page.
-reduce debt, responsible spending only

-modernize military with ai/robotics

-pro tech, accelerate to win in ai

-less regulation across board but especially in energy

-free speech

-pro natalist

-centrist policies everywhere else