Google Business Performance API has a NEW API method that allows fetching multiple `DailyMetrics` in a single API request.
Review the deprecation schedule and instructions to migrate over from v4 reportInsights API method to Google Business Profile Performance API.

Method: accounts.admins.create

Page Summary

This method invites a user to become an administrator for a specified account, requiring the invitee to accept before gaining access.
It's deprecated; use the Account Management API's accounts.admins/create method instead for creating account administrators.
The request needs to be a POST request to the specified URL with necessary path parameters and request body containing the Admin object.
If successful, the response will include the newly created Admin object.
Proper authorization with the necessary OAuth scopes is required for using this method.

HTTP request
Path parameters
Request body
Response body
Authorization Scopes

Invites the specified user to become an administrator for the specified account. The invitee must accept the invitation in order to be granted access to the account. See [invitations.accept] [google.mybusiness.v4.AcceptInvitation] to programmatically accept an invitation.

HTTP request

POST https://mybusiness.googleapis.com/v4/{parent=accounts/*}/admins

The URL uses gRPC Transcoding syntax.

Path parameters

Parameters

Parameters
`parent`	`string` The resource name of the account this admin is created for.

parent

string

The resource name of the account this admin is created for.

Request body

The request body contains an instance of Admin.

Response body

If successful, the response body contains a newly created instance of Admin.

Authorization Scopes

Requires one of the following OAuth scopes:

https://www.googleapis.com/auth/plus.business.manage
https://www.googleapis.com/auth/business.manage

For more information, see the OAuth 2.0 Overview.