curl --request POST \
  --url https://api.ttapi.io/v1/messages \
  --header 'Content-Type: application/json' \
  --header 'TT-API-KEY: <api-key>' \
  --data '
{
  "messages": [
    {
      "role": "system",
      "content": "You are a helpful assistant."
    },
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "model": "<string>",
  "max_tokens": 123,
  "...": "<unknown>"
}
'

{
  "id": "msg_018zZJf8ZJf8ZJf8ZJf8ZJf8ZJf8",
  "type": "message",
  "role": "assistant",
  "content": [
    {
      "type": "text",
      "text": " Hello! My name is Claude."
    }
  ],
  "model": "claude-2.0",
  "stop_reason": "stop_sequence",
  "usage": {
    "input_tokens": 15,
    "output_tokens": 22
  }
}