It could be used to authenticate the identity of the holder for many purposes, especially as an alternative for people who did not hold, or preferred not to carry, an Australian driver licence, photo card or passport.

It could also serve as additional identification in situations where multiple identity documents were required, such as to open a bank account.

[1] To apply, an individual was required to be at least 17 years and 11 months of age, though would not be sent their card until they turned 18.

Australia Post stopped issuing new physical Keypass identity cards from 30 June 2023.

Its acceptance was not universal, and varied depending on legal requirements in different Australian states and territories or as determined by private companies for their services.