curl --request POST \
  --url https://maas.apigo.ai/v1/messages \
  --header 'Content-Type: application/json' \
  --header 'anthropic-version: <anthropic-version>' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "model": "claude-sonnet-4-5",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "text",
          "text": "请总结这张图片里的关键信息"
        }
      ]
    }
  ]
}
'

{
  "id": "msg_01ABCxyz",
  "type": "message",
  "role": "assistant",
  "model": "claude-sonnet-4-5",
  "content": [
    {
      "type": "text",
      "text": "图片中是一张产品宣传海报。"
    }
  ],
  "stop_reason": "end_turn",
  "usage": {
    "input_tokens": 128,
    "output_tokens": 48
  }
}