Usage by reporting group

Number of APIs: 2

1. List cumulative daily usage per reporting group GET https://{{host}}/billing/v1/reporting-groups/:reportingGroupId/products/:productId/usage/daily?month={{month}}

2. List monthly usage summary per reporting group GET https://{{host}}/billing/v1/reporting-groups/:reportingGroupId/products/:productId/usage/monthly-summary?start={{start}}&end={{end}}