Sorry, I must not have worded my question clearly.
In the context of a server-side script, I would like to modify several objects in the same table. However, the session token/userid that calls the server script doesn't have write access to the objects, so the Master Key must be used to perform the modifications on the objects.
Currently the only way that I see to do this from a server side script is to have a loop that makes a REST API request with the master key for every object that needs to be modified. I was wondering if there was a better way to do this that I'm missing.
Thanks for your help!