state

This parameter returns the job count for jobs with the specified state.

The the value ANY returns count of all states.

AGGREGATE_ALL aggregates job counts for all states and returns the sum.

Completed with issues is a status found only in the Backup console. For API, this status refers to jobs with a state of COMPLETED and a MessageCategory with a value other than SUCCESS; that is, the status is completed but comes with a status message. To obtain the job count for Completed with issues, run two GET requests, and subtract the second, smaller number:

GET /audit/backup-job-summaries?AggregationPeriod=FOURTEEN_DAYS&State=COMPLETED

GET /audit/backup-job-summaries?AggregationPeriod=FOURTEEN_DAYS&MessageCategory=SUCCESS&State=COMPLETED