curl --request POST \
  --url https://api.example.com/v1/voiceai/batch-calling/submit \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "call_name": "<string>",
  "agent_id": "<string>",
  "recipients": [
    {
      "id": "<string>",
      "phone_number": "<string>",
      "whatsapp_user_id": "<string>",
      "conversation_initiation_client_data": {
        "conversation_config_override": {
          "turn": {
            "soft_timeout_config": {
              "message": "<string>"
            }
          },
          "tts": {
            "voice_id": "<string>",
            "stability": 123,
            "speed": 123,
            "similarity_boost": 123
          },
          "conversation": {
            "text_only": true
          },
          "agent": {
            "first_message": "<string>",
            "language": "<string>",
            "prompt": {
              "prompt": "<string>",
              "llm": "<string>",
              "native_mcp_server_ids": [
                "<string>"
              ]
            }
          }
        },
        "custom_llm_extra_body": {},
        "user_id": "<string>",
        "source_info": {
          "source": "unknown",
          "version": "<string>"
        },
        "dynamic_variables": {}
      }
    }
  ]
}
'

{
  "id": "<string>",
  "name": "<string>",
  "agent_id": "<string>",
  "created_at_unix": 123,
  "scheduled_time_unix": 123,
  "last_updated_at_unix": 123,
  "status": "pending",
  "agent_name": "<string>",
  "phone_number_id": "<string>",
  "phone_provider": "twilio",
  "whatsapp_params": {
    "whatsapp_call_permission_request_template_name": "<string>",
    "whatsapp_call_permission_request_template_language_code": "<string>",
    "whatsapp_phone_number_id": "<string>"
  },
  "total_calls_dispatched": 0,
  "total_calls_scheduled": 0,
  "total_calls_finished": 0,
  "retry_count": 0
}