curl --request POST \
  --url https://api.ldx.dev/v1/chat/completions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "gpt-4",
  "messages": [
    {
      "role": "system",
      "content": "<string>",
      "name": "<string>",
      "tool_calls": [
        {
          "id": "<string>",
          "type": "function",
          "function": {
            "name": "<string>",
            "arguments": "<string>"
          }
        }
      ],
      "tool_call_id": "<string>",
      "reasoning_content": "<string>"
    }
  ],
  "temperature": 1,
  "top_p": 1,
  "n": 1,
  "stream": false,
  "stream_options": {
    "include_usage": true
  },
  "stop": "<string>",
  "max_tokens": 123,
  "max_completion_tokens": 123,
  "presence_penalty": 0,
  "frequency_penalty": 0,
  "logit_bias": {},
  "user": "<string>",
  "tools": [
    {
      "type": "function",
      "function": {
        "name": "<string>",
        "description": "<string>",
        "parameters": {}
      }
    }
  ],
  "tool_choice": "none",
  "response_format": {
    "type": "text",
    "json_schema": {}
  },
  "seed": 123,
  "reasoning_effort": "low",
  "modalities": [
    "text"
  ],
  "audio": {
    "voice": "<string>",
    "format": "<string>"
  }
}
'

{
  "id": "<string>",
  "object": "chat.completion",
  "created": 123,
  "model": "<string>",
  "choices": [
    {
      "index": 123,
      "message": {
        "role": "system",
        "content": "<string>",
        "name": "<string>",
        "tool_calls": [
          {
            "id": "<string>",
            "type": "function",
            "function": {
              "name": "<string>",
              "arguments": "<string>"
            }
          }
        ],
        "tool_call_id": "<string>",
        "reasoning_content": "<string>"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 123,
    "completion_tokens": 123,
    "total_tokens": 123,
    "prompt_tokens_details": {
      "cached_tokens": 123,
      "text_tokens": 123,
      "audio_tokens": 123,
      "image_tokens": 123
    },
    "completion_tokens_details": {
      "text_tokens": 123,
      "audio_tokens": 123,
      "reasoning_tokens": 123
    }
  },
  "system_fingerprint": "<string>"
}