curl --request GET \
  --url https://{host}/v2/workspaces/slug:agent-factory/webhooks/v1/agents/{agentId}/analytics \
  --header 'Authorization: Bearer <token>'

{
  "agent_id": "<string>",
  "agent_name": "<string>",
  "period": {
    "type": "<string>",
    "start": "<string>",
    "end": "<string>",
    "granularity": "<string>"
  },
  "summary": {},
  "series": [
    {
      "date": "<string>",
      "users": 123,
      "conversations": 123,
      "messages": 123,
      "rating": 123,
      "cost": 123,
      "status": "incomplete"
    }
  ],
  "meta": {
    "generated_at": "<string>",
    "data_points": 123,
    "includes_current_interval": true,
    "summary_cached": true,
    "data_computed_at": "<string>",
    "next_refresh_at": "<string>"
  }
}