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.

ErrorCode

All errors codes returned by the API.

Enums
ERROR_CODE_UNSPECIFIED Missing error code.
SHARES_PUBSUB_TOPIC_MESSAGE_ACROSS_VERSIONS The pub/sub topic name provided in the 'updateNotificationSetting' rpc is being used by other versions of this API. Please supply a new topic name to mitigate this issue.
PUBLISH_PERMISSIONS_MISSING_FOR_PUBSUB_TOPIC The pub/sub topic name supplied for update notification setting doesn't have publish permissions for the user.
INVALID_PUBSUB_TOPIC The pub/sub topic name supplied for update notification setting is invalid.