get https://api.revenium.io/profitstream/v2/api/billing/refresh
Manually triggers a billing data refresh for a specific provider credential.
This endpoint fetches the latest billing data from provider APIs for the specified credential.
**Refresh Types:**
- `intraday` (default): Fetches today's data with hourly granularity (up to current hour), aggregates to daily totals
- `historical`: Fetches historical data for specified number of days (default 30 days, max 90 days)