About granting permission with "Call a SharePoint web service"

I'm using the "Call a SharePoint web service action" feature to grant permissions to a specified item in a SharePoint list.
URL:

{SiteUrl}​/_api/Web/Lists/getByTitle('{List Name}​')/Items({ID})/roleassignments/addroleassignment(principalid={Approver Group (ID)}, roledefid=1073741827)

The account to be granted has acquired the group ID from the specified item in the SharePoint list.

With this feature
If multiple accounts are set in one item, will the loop function call the API for the number of accounts?

I would like to know if there is a way to grant permissions to multiple accounts at once.