Herramienta Web Fetch

curl -X POST "https://{BASE_URL}/api/gpt/v1/messages/validate" \
  -H "Authorization: Bearer {API_TOKEN}" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "default",
    "max_tokens": 64,
    "messages": [
      { "role": "user", "content": "Summarize https://example.com/" }
    ],
    "tools": [
      { "name": "web_extract", "type": "web_extract_v1" }
    ],
    "tool_choice": { "type": "auto" }
  }'

{ "valid": true, "errors": null }

[
  { "type": "server_tool_use", "id": "srvtoolu_3c4d", "name": "web_extract", "input": { "url": "https://example.com/" } },
  {
    "type": "web_fetch_tool_result",
    "tool_use_id": "srvtoolu_3c4d",
    "content": {
      "type": "web_fetch_result",
      "url": "https://example.com/",
      "retrieved_at": "2026-10-08T10:00:00Z",
      "content": {
        "type": "document",
        "title": "Example Domain",
        "source": { "type": "text", "media_type": "text/plain", "data": "# Example Domain\n\nThis domain is for use in examples." }
      }
    }
  }
]

{
  "type": "web_fetch_tool_result",
  "tool_use_id": "srvtoolu_3c4d",
  "content": { "type": "web_fetch_tool_result_error", "error_code": "url_not_accessible" }
}