How to set additional fields for Instagram/Facebook and Google Merchant programmatically?

Hello,

There are additional fields like new/used, gender, categories, etc. in Instagram/Facebook and Google Merchant.
After being able to publish on these channels programmatically, of course the next step is to set these fields so that there is no manual intervention.

How to achieve that with GraphQL or Rest API?

Here a few examples of these fields:

Hey there - did you every figure out how to solve this one?