async usage(*, start_date: str | None = None, end_date: str | None = None, summary: bool | None = True, bucket: str | None = None, event_type: str | None = None, kind: str | None = None, success: bool | None = None, charge_outcome: str | None = None, search_id: str | None = None, execution_id: str | None = None, min_credits: float | None = None, max_credits: float | None = None, limit: int | None = None, page: int | None = None, page_size: int | None = None, timeout: float | None = None, correlation_id: str | None = None) → UsageHistoryResponse

Query request-level usage audit history.

Use this to verify success, failure, charge outcome, and final settlement context for discover/inspect/call activity.