# Retrieve active site analytics (admin only)

Returns sites grouped by clientAccountId with optional date filters.

Endpoint: GET /site/billing-analytics-admin
Version: 1.0
Security: bearer

## Query parameters:

  - `startDate` (string)
    Filter sites by start date (inclusive). Format: YYYY-MM-DD
    Example: "2023-01-01"

  - `endDate` (string)
    Filter sites by end date (inclusive). Format: YYYY-MM-DD
    Example: "2023-01-31"

  - `clientAccountIds` (array)
    Filter by one or multiple ClientAccount IDs (optional). Example usage for multiple IDs: ?clientAccountIds=10&clientAccountIds=20

## Response 200 fields (application/json):

  - `clientAccountId` (number, required)
    Client Account ID
    Example: 10

  - `sites` (array, required)
    List of sites
    Example: ["[object Object]"]

  - `activeSiteCount` (number, required)
    Active site count
    Example: 5

## Response 401 fields (application/json):

  - `message` (string, required)
    Error message indicating unauthorized access.
    Example: "Unauthorized"

  - `statusCode` (number, required)
    HTTP status code for unauthorized access.
    Example: 401