List an image model's endpoints

curl https://api.llm.buzz/api/v1/images/models/qwen/qwen-image-3/endpoints \
  -H "Authorization: Bearer $LLM_BUZZ_KEY"

{
  "id": "qwen/qwen-image-3",
  "endpoints": [
    {
      "provider_name": "Alibaba",
      "provider_slug": "alibaba",
      "provider_tag": "alibaba",
      "supported_parameters": {
        "aspect_ratio": {
          "type": "enum",
          "values": [
            "1:1",
            "4:3",
            "3:4",
            "16:9",
            "9:16",
            "3:2",
            "2:3"
          ]
        },
        "n": {
          "type": "range",
          "min": 1,
          "max": 6
        }
      },
      "allowed_passthrough_parameters": [],
      "supports_streaming": false,
      "pricing": [
        {
          "billable": "output_image",
          "unit": "image",
          "cost_usd": 0.03
        }
      ]
    }
  ]
}

{
  "error": {
    "code": 401,
    "message": "A valid gateway Bearer key is required. Send the virtual key as 'Authorization: Bearer <key>'.",
    "metadata": {
      "error_type": "authentication",
      "gateway_code": "invalid_key"
    }
  }
}