Query metered usage — requests, rows returned, and DynamoDB read units.
usage:readBearer token obtained from POST /v1/auth/token. Pass in the Authorization header as Bearer <token>.
Start of the date range, inclusive. Format: YYYY-MM-DD. Must be a valid calendar date and must be on or before endDate.
End of the date range, inclusive. Format: YYYY-MM-DD. Must be a valid calendar date. Maximum range is 366 days from startDate.
Usage summary for the requested date range.