Claude API Key 获取教程【2025最新】

import requests
import json
import time
from typing import List, Dict, Optional

class ClaudeAPI:
    """Claude API调用类 - 简易API中转站版本"""
    
    def __init__(self, api_key: str):
        """
        初始化Claude API客户端
        
        Args:
            api_key (str): 从简易API中转站获取的API密钥
        """
        self.api_key = api_key
        self.base_url = "https://api.jeniya.cn/v1/messages"
        self.headers = {
            "Content-Type": "application/json",
            "x-api-key": api_key,
            "anthropic-version": "2023-06-01"
        }
    
    def chat(self, 
             prompt: str, 
             model: str = "claude-3-sonnet-20240229",
             max_tokens: int = 1000,
             temperature: float = 0.7,
             system_message: str = None) -> str:
        """
        基础对话功能
        
        Args:
            prompt (str): 用户输入的问题
            model (str): 模型版本 (claude-3-opus, claude-3-sonnet, claude-3-haiku)
            max_tokens (int): 最大输出长度
            temperature (float): 创造性参数 0.0-1.0
            system_message (str): 系统提示信息
            
        Returns:
            str: Claude的回复
        """
        messages = [
            {"role": "user", "content": prompt}
        ]
        
        data = {
            "model": model,
            "max_tokens": max_tokens,
            "temperature": temperature,
            "messages": messages
        }
        
        if system_message:
            data["system"] = system_message
        
        try:
            response = requests.post(
                self.base_url, 
                headers=self.headers, 
                json=data, 
                timeout=60
            )
            response.raise_for_status()
            
            result = response.json()
            return result["content"][0]["text"]
            
        except requests.exceptions.RequestException as e:
            return f"API调用错误: {e}"
        except KeyError as e:
            return f"响应格式错误: {e}"

# 使用示例
if __name__ == "__main__":
    # 替换为您的API密钥
    api_key = "your_api_key_here"
    claude = ClaudeAPI(api_key)
    
    # 基础对话测试
    response = claude.chat(
        "请简单介绍一下Constitutional AI的核心理念",
        model="claude-3-sonnet-20240229"
    )
    print(f"Claude回复: {response}")

// 安装依赖: npm install axios
const axios = require('axios');

/**
 * Claude API JavaScript客户端
 * 适用于Node.js环境和前端开发
 */
class ClaudeAPI {
    constructor(apiKey) {
        this.apiKey = apiKey;
        this.baseURL = 'https://api.jeniya.cn/v1/messages';
        this.headers = {
            'Content-Type': 'application/json',
            'x-api-key': this.apiKey,
            'anthropic-version': '2023-06-01'
        };
    }

    /**
     * 基础对话功能
     * @param {string} prompt - 用户输入
     * @param {Object} options - 配置选项
     * @returns {Promise} Claude回复
     */
    async chat(prompt, options = {}) {
        const {
            model = 'claude-3-sonnet-20240229',
            maxTokens = 1000,
            temperature = 0.7,
            systemMessage = null
        } = options;

        const messages = [
            { role: 'user', content: prompt }
        ];

        const requestData = {
            model,
            max_tokens: maxTokens,
            temperature,
            messages
        };

        if (systemMessage) {
            requestData.system = systemMessage;
        }

        try {
            const response = await axios.post(this.baseURL, requestData, {
                headers: this.headers,
                timeout: 60000
            });

            return response.data.content[0].text;
        } catch (error) {
            throw new Error(`Claude API错误: ${error.message}`);
        }
    }
}

// 使用示例
async function testClaude() {
    const claude = new ClaudeAPI('your_api_key_here'); // 替换为您的API密钥

    try {
        const response = await claude.chat(
            '请解释一下Constitutional AI的核心原理和优势'
        );
        console.log('Claude回复:', response);
    } catch (error) {
        console.error('错误:', error.message);
    }
}

testClaude();