curl --request POST \
  --url https://api.upon-ai.com/api/agents \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "workspaceId": 123,
  "agent_name": "<string>",
  "voice_id": "<string>",
  "response_engine": {
    "type": "<string>",
    "llm_id": "<string>"
  },
  "response_threshold": 123,
  "interruption_sensitivity": "<string>",
  "ambient_sound": "<string>"
}
'

{
  "agent_id": "<string>",
  "version": 123,
  "agent_name": "<string>",
  "voice_id": "<string>",
  "response_engine": {
    "type": "<string>",
    "llm_id": "<string>"
  },
  "response_threshold": 123,
  "interruption_sensitivity": "<string>",
  "ambient_sound": "<string>",
  "responsiveness": "<string>",
  "max_call_duration_ms": 123,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}