curl https://api.voicy.co/v1/get-call/550e8400-e29b-41d4-a716-446655440000 \
  -H "Authorization: Bearer voicy_sk_live_xxx"

{
  "call_id": "550e8400-e29b-41d4-a716-446655440000",
  "call_type": "phone_call",
  "call_status": "user_hangup",
  "agent": {
    "id": "550e8400-e29b-41d4-a716-446655440001",
    "name": "Customer Support Agent",
    "version": 2
  },
  "account": {
    "id": "550e8400-e29b-41d4-a716-446655440099",
    "name": "Acme Corp"
  },
  "from_number": "+15551234567",
  "to_number": "+15559876543",
  "direction": "outgoing",
  "start_timestamp": 1704067200000,
  "duration_ms": 120000,
  "transcript": [
    {
      "role": "agent",
      "content": "Hello, how can I help you?",
      "timestamp_ms": 0
    },
    {
      "role": "caller",
      "content": "I need help with my order",
      "timestamp_ms": 2500,
      "gender": "male"
    },
    {
      "role": "agent",
      "content": "Sure, I can help with that.",
      "timestamp_ms": 3200,
      "latency_breakdown": {
        "vad_delay_ms": 500,
        "stt_finalize_ms": 1200,
        "llm_startup_ms": 85,
        "llm_first_sentence_ms": 95,
        "tts_synthesis_ms": 130,
        "send_overhead_ms": 20,
        "total_perceived_ms": 1530
      }
    }
  ],
  "recording_url": "https://storage.voicy.co/recordings/...",
  "summary": "Customer inquiry about order status.",
  "call_cost": {
    "combined_cost": 0.056,
    "currency": "usd"
  },
  "vars_provided": {
    "customer_name": "John"
  },
  "vars_extracted": {
    "appointment_date": "2026-01-15",
    "preferred_time": "morning"
  }
}