For details, see Has the API model been updated?, I asked this question a long time ago, and the official response was that it could be updated in about a week, but it has been almost 2 months now, and there is still no update, which is very disappointing 
I see a PR opened for new models in the API, but I don’t have an estimated release date for that change. Let me check with the team
The v0 model API was removed. As an alternative, you can use the v0 Platform API which lets Premium or Team users whitelabel v0