Expose folder settings via API like "Restrict Collaboration" and "Hide Collaborators"
As far as I know new APIs are managed by platform team.

Not currently planned at this time.
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Chuck Boeheim commented
We would like this as well for setting up special collaboration folders. Several of our groups really want to set the automatic folder deletion date by API as well.
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Matt Royal commented
We need this ability as well. We want our API-driven automations to set up folders that (1) only allow collaborations to be set by Owners and Co-Owners, and (2) restrict shared link scope to Collaborators. Adding this would give us much greater flexibility at guiding user actions to meet business needs.
This would be such a powerful addition for anyone using API-driven automations; it would allow much greater central control of particular folder structures. I'm surprised to find that this is a limitation.