Automatically get latest details of _part_custom_fields in commerce

Summary:

is it possible to Automatically get latest details of _part_custom_fields in commerce

we are using PartsDB and we have extended Information for Parts. Some of the Part Custom fields will be updated daily through integration.

If a transaction is created for some materials. Is it possible to get the latest information of the _part_custom_fields in commerce without going back to reconfigure?

We are planning to use _part_custom_fields in LIG instead of custom attributes. any suggestions on this will help.

Is it possible to call config save action in commerce using REST API.

Save Reconfiguration