curl --request GET \
  --url https://api-west.millis.ai/call-logs/{session_id} \
  --header 'authorization: <authorization>'

{
  "agent_id": "<string>",
  "agent_config": {},
  "duration": 123,
  "ts": 123,
  "chat": "<string>",
  "chars_used": 123,
  "session_id": "<string>",
  "call_id": "<string>",
  "cost_breakdown": [
    {}
  ],
  "voip": {},
  "recording": {},
  "metadata": {},
  "function_calls": [
    {}
  ],
  "call_status": "registered"
}