curl --request GET \
  --url https://api.openmic.ai/v1/calls \
  --header 'Authorization: Bearer <token>'

{
  "calls": [
    {
      "call_type": "phonecall",
      "from_number": "<string>",
      "to_number": "<string>",
      "direction": "inbound",
      "call_id": "<string>",
      "agent_id": "<string>",
      "call_status": "registered",
      "customer_id": "<string>",
      "telephony_identifier": {},
      "start_timestamp": 123,
      "end_timestamp": 123,
      "duration_ms": 123,
      "transcript": [
        [
          "<string>"
        ]
      ],
      "recording_url": "<string>",
      "latency": {
        "e2e_min_latency": 123,
        "e2e_median_latency": 123,
        "e2e_p90_latency": 123,
        "llm_min_latency": 123,
        "llm_median_latency": 123,
        "llm_p90_latency": 123,
        "tts_min_latency": 123,
        "tts_median_latency": 123,
        "tts_p90_latency": 123
      },
      "call_analysis": {
        "summary": "<string>",
        "is_successful": true,
        "success_evaluation": "<string>",
        "extracted_data": {}
      },
      "call_cost": {
        "total_cost": 123,
        "llm_cost": 123,
        "tts_cost": 123,
        "stt_cost": 123
      },
      "dynamic_variables": {
        "name": "John"
      }
    }
  ],
  "pagination": {
    "limit": 123,
    "offset": 123,
    "total": 123,
    "has_more": true
  }
}