Brave搜索API支持x402协议以实现智能代理支付

import os
import requests
from openai import OpenAI

# 初始化连接至n1n.ai代理端点的OpenAI客户端
client = OpenAI(
    api_key=os.getenv("N1N_API_KEY"),
    base_url="https://api.n1n.ai/v1"
);

def fetch_brave_search(query: str) -> str:
    url = "https://api.search.brave.com/res/v1/web/search"
    headers = {
        "X-Subscription-Token": os.getenv("BRAVE_API_KEY"),
        "Accept": "application/json"
    }
    params = {"q": query, "count": 3}
    
    response = requests.get(url, headers=headers, params=params)
    if response.status_code == 402:
        # 此处处理x402程序化支付流程
        print("检测到x402协议支付请求...")
        # 嵌入支付结算逻辑
        return ""
    
    response.raise_for_status()
    data = response.json()
    
    results = []
    for item in data.get("web", {}).get("results", []):
        results.append(f"标题: {item.get('title')}\n摘要: {item.get('description')}\n")
    return "\n".join(results)

def run_agentic_workflow(prompt: str):
    search_results = fetch_brave_search(prompt)
    
    system_prompt = (
        "你是一个先进的AI研究助手。请综合以下搜索结果，准确回答用户的问题。"
    )
    
    completion = client.chat.completions.create(
        model="claude-3-5-sonnet",
        messages=[
            {"role": "system", "content": system_prompt},
            {"role": "user", "content": f"查询: {prompt}\n\n搜索结果:\n{search_results}"}
        ],
        temperature=0.2
    }
    
    return completion.choices[0].message.content

if __name__ == "__main__":
    answer = run_agentic_workflow("2025年量子计算的最新突破")
    print(answer)