curl "https://app.talkover.ai/api/v1/callback-agents/stats?start_date=2024-01-01&end_date=2024-01-31" \
  -H "Authorization: Bearer talq_your_environment_token_here"

{
  "success": true,
  "data": {
    "period": {
      "start": "2024-01-01",
      "end": "2024-01-31"
    },
    "total_callbacks_received": 184,
    "callbacks_answered": 142,
    "callbacks_unmatched": 12,
    "callbacks_by_source_agent": [
      {
        "source_agent_id": "agent-uuid-2",
        "name": "Sales Outbound",
        "count": 110
      },
      {
        "source_agent_id": "agent-uuid-3",
        "name": "Survey Outbound",
        "count": 74
      }
    ]
  }
}