curl -X GET "https://api.rapidcall.ai/api/agents/agent_9k2m4n6p/analytics?startDate=2026-03-01T00:00:00Z&endDate=2026-03-31T23:59:59Z" \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "agentId": "agent_9k2m4n6p",
  "agentName": "Sales Assistant",
  "period": {
    "startDate": "2026-03-01T00:00:00Z",
    "endDate": "2026-03-31T23:59:59Z"
  },
  "totalCalls": 412,
  "totalDuration": 68340,
  "avgDuration": 165.9,
  "avgLatencyMs": 590,
  "latencyP50Ms": 540,
  "latencyP99Ms": 1280,
  "outcomes": {
    "completed": 348,
    "voicemail": 28,
    "no_answer": 15,
    "call_transfer": 12,
    "user_hangup": 7,
    "error": 2
  },
  "sentiment": {
    "positive": 285,
    "neutral": 102,
    "negative": 25
  }
}