【2025最新】免费无限使用Claude 3.7 Sonnet API完全指南：5种实测方法与独家省钱技巧

<!-- 步骤1：在HTML中引入Puter.js -->
<script src="https://js.puter.com/v2/"></script>

<!-- 步骤2：使用puter.ai.chat()函数调用Claude 3.7 Sonnet -->
<script>
  puter.ai.chat("请详细解释量子计算的基本原理", {model: 'claude-3-7-sonnet'})
    .then(response => {
      console.log(response.message.content[0].text);
    });
</script>

<script>
(async () => {
  const response = await puter.ai.chat(
    "请写一篇关于人工智能对社会影响的详细论文", 
    {model: 'claude-3-7-sonnet', stream: true}
  );
  
  for await (const part of response) {
    console.log(part?.text);
  }
})();
</script>

curl https://api.laozhang.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $API_KEY" \
  -d '{
    "model": "claude-3-7-sonnet",
    "stream": false,
    "messages": [
      {"role": "system", "content": "You are a helpful assistant."},
      {"role": "user", "content": "请写一个Python函数，实现快速排序算法"} 
    ]
  }'

const axios = require('axios');

async function callClaudeAPI() {
  try {
    const response = await axios.post(
      'https://api.laozhang.ai/v1/chat/completions',
      {
        model: 'claude-3-7-sonnet',
        messages: [
          { role: 'system', content: 'You are a helpful assistant.' },
          { role: 'user', content: '请简要介绍人工智能的发展历史' }
        ]
      },
      {
        headers: {
          'Content-Type': 'application/json',
          'Authorization': `Bearer ${process.env.API_KEY}`
        }
      }
    );
    
    console.log(response.data.choices[0].message.content);
  } catch (error) {
    console.error('API调用错误:', error);
  }
}

callClaudeAPI();

// 简化版智能客服代码示例
const express = require('express');
const axios = require('axios');
const app = express();

app.use(express.json());

app.post('/customer-service', async (req, res) => {
  const { query, customer_history } = req.body;
  
  try {
    const response = await axios.post(
      'https://api.laozhang.ai/v1/chat/completions',
      {
        model: 'claude-3-7-sonnet',
        messages: [
          { 
            role: 'system', 
            content: '你是一位专业电商客服助手。根据产品知识库回答客户问题，提供准确友好的回复。' 
          },
          ...customer_history,
          { role: 'user', content: query }
        ]
      },
      {
        headers: {
          'Content-Type': 'application/json',
          'Authorization': `Bearer ${process.env.LAOZHANG_API_KEY}`
        }
      }
    );
    
    res.json({ response: response.data.choices[0].message.content });
  } catch (error) {
    console.error('API调用错误:', error);
    res.status(500).json({ error: '服务暂时不可用' });
  }
});

app.listen(3000, () => {
  console.log('客服API运行在端口3000');
});