It is registered with the Independent Electoral Commission (IEC) and was on the provincial ballot of the Western Cape in the South African general elections of 2009, where it received 2,552 votes.

The party did not compete in the 2024 South African general election after failing to meet the IEC's new signature requirements as stipulated in the 2023 Electoral Amendment Bill.

[19] During 2017, the Cape Party instituted an application to have a poster, which was covered with the words "Fuck White People" in black-and-white all caps letters, on display since 2016 alongside a chair and "goldendeanboots" as part of an exhibition called The Art of Disruptions at the Cape Town gallery, declared hate speech.

The work was created by Dean Hutton, who wore a suit with the same print publicly before Iziko approached them.

Some members approached the art gallery and placed a sticker over the poster that read "love thy neighbour".

The Cape Party stated that the resolution is in contravention of international law and cited such examples as the Universal Declaration of Human Rights Article 17 (2): "No one shall be arbitrarily deprived of his or her property."

It claims that the national government and legislative apparatus are racist and totalitarian,[3] and has referred to President Jacob Zuma as an illegitimate occupier of the Cape.

[citation needed] It supports free ports, and has suggested turning its prospective republic into a tax haven.

Miller described the election as "an opportunity to take great steps toward our end goal of establishing the Cape Republic".

[33] In the runup to the 2021 South African municipal elections, the party released a Cape Republic Novelty Passport.

[27] During November 2017, the party took part in by-elections for the Brackenfell Ward, wherein it received 18.72% of the vote; taking second place, after the Democratic Alliance.

[38] During December 2018, the party again took part in by-elections for the Saldanha Ward, wherein it again took second place, after the Democratic Alliance, ahead of the ANC.