There is currently no mechanism to attach videos to Google Posts created through listing management platforms (including LocalClarity. Google's API simply does not accept the video format.

While it is possible to add a video when creating individual Post through the Google Business Profile (GBP) portal, there have decided to not support the API to do so. This could be something that Google changes in the future if they use AI to evaluate video content for policy compliance.

GIFs are also not supported through Google's API and can only be included in Posts through the Google portal went built individually.