Web Search

This document explains how to use the Web Search feature on the Infron platform.

Overview

Web Search allows an AI model to access real-time web information while generating an answer, enabling more accurate and up-to-date responses. This feature is particularly useful for:

• Querying breaking news and current events

• Getting the latest product information and pricing

• Looking up dynamic data such as weather and stock quotes

• Accessing the latest technical documentation and resources

Supported Protocols

Protocol	Endpoint	Web Search Parameter
Chat Completions (OpenAI-compatible)	/v1/chat/completions	web_search_options
Messages (Anthropic-compatible)	/v1/messages	web_search_20250305 within tools
Responses (OpenAI Responses)	/v1/responses	web_search family within tools

Web Search - Chat Completions API

The Chat Completions API enables Web Search via the web_search_options parameter.

Parameters

Parameter	Type	Required	Description
web_search_options	object	No	Web search configuration
web_search_options.search_context_size	string	No	Search context size: low medium high
web_search_options.user_location	object	No	User location info for localized search results
web_search_options.user_location.type	string	Yes	Location type, fixed as approximate
web_search_options.user_location.city	string	No	City name
web_search_options.user_location.country	string	No	Country code (2-letter ISO, e.g. CN, US)
web_search_options.user_location.region	string	No	Region/province
web_search_options.user_location.timezone	string	No	Timezone (IANA format, e.g. Asia/Shanghai)

Example

Python

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://llm.onerouter.pro/v1"
)

response = client.chat.completions.create(
    model="anthropic/claude-opus-4.6",
    messages=[
        {
            "role": "user",
            "content": "How is the weather in Beijing today?"
        }
    ],
    extra_body={
        "web_search_options": {
            "search_context_size": "high",
            "user_location": {
                "approximate": {
                    "timezone": "Asia/Shanghai",
                    "country": "CN",
                    "city": "Beijing"
                }
            }
        }
    }
)

print(response.json())

cURL

Response example,

{
  "id": "msg_016gnzBRiQ1zuyGAdfMZFRaY",
  "choices": [
    {
      "finish_reason": "stop",
      "index": 0,
      "logprobs": null,
      "message": {
        "content": ".\n\nOverall, it's a cool and mostly pleasant early spring day in Beijing. A jacket or sweater is recommended, especially for the chilly morning and evening hours. Enjoy the sunshine! ☀️",
        "refusal": null,
        "role": "assistant",
        "annotations": null,
        "audio": null,
        "function_call": null,
        "tool_calls": null
      }
    }
  ],
  "created": 1773060007,
  "model": "anthropic/claude-opus-4.6",
  "object": "chat.completion",
  "service_tier": null,
  "system_fingerprint": null,
  "usage": {
    "completion_tokens": 404,
    "prompt_tokens": 12095,
    "total_tokens": 12499,
    "completion_tokens_details": null,
    "prompt_tokens_details": {
      "audio_tokens": null,
      "cached_tokens": null
    },
    "input_tokens": 0,
    "output_tokens": 0,
    "ttft": 0,
    "server_tool_use": {
      "web_search_requests": ""
    }
  },
  "request_id": "e42a26abb0f047339a5dc1081bf9e277"
}