Aquamarine as a Miiverse service is no longer available.
On July 28, 2024, at 1:14 PM PST, NoNameGiven unplugged the server for Aquamarine, shutting it down. He stated that he shut down Aquamarine to save electricity, due to a lack of development for about a month. Several minutes later, NoNameGiven made all the repositories for Aquamarine open-source on GitHub, though no documentation was provided. - Miiverse Clonapedia
There is an archive, although it’s shutdown means a partnership is unnecessary.