Claude SDK 设置

设置您的开发环境，以便使用首选语言的 SDK 调用 Claude API。

⚠️ 注意： Claude API 目前仅支持 Claude 模型，其他模型无法使用 Claude API 进行调用。

1. 创建并导出 API 密钥

开始之前，请通过 令牌说明 创建一个 API 密钥。将密钥存储在安全位置，然后在终端中将其导出为环境变量。

macOS / Linux

export ANTHROPIC_API_KEY="your_api_key_here"

Windows

set ANTHROPIC_API_KEY=your_api_key_here

Claude SDK 会自动从系统环境中读取您的 API 密钥。建议使用环境变量，避免在代码中直接硬编码密钥。

2. 安装 SDK

JavaScript

npm install @anthropic-ai/sdk

创建 example.mjs：

import Anthropic from "@anthropic-ai/sdk";
 
const anthropic = new Anthropic({
  apiKey: process.env.ANTHROPIC_API_KEY,
  baseURL: "https://api.floxai.io",
});
 
const msg = await anthropic.messages.create({
  model: "claude-opus-4-20250514",
  max_tokens: 1000,
  temperature: 1,
  system: "Respond only with short poems.",
  messages: [
    {
      role: "user",
      content: [{ type: "text", text: "Why is the ocean salty?" }],
    },
  ],
});
 
console.log(msg);

node example.mjs

Python

pip install anthropic

创建 example.py：

import anthropic
 
client = anthropic.Anthropic(
    api_key="your_api_key_here",
    base_url="https://api.uniapi.io/claude",
)
 
message = client.messages.create(
    model="claude-opus-4-20250514",
    max_tokens=1000,
    temperature=1,
    system="You are a world-class poet. Respond only with short poems.",
    messages=[
        {
            "role": "user",
            "content": [{"type": "text", "text": "Why is the ocean salty?"}],
        }
    ],
)
 
print(message.content)

python example.py

Java

Maven 依赖：

<dependency>
  <groupId>com.anthropic</groupId>
  <artifactId>anthropic-java</artifactId>
  <version>2.2.0</version>
</dependency>

import com.anthropic.client.AnthropicClient;
import com.anthropic.client.okhttp.AnthropicOkHttpClient;
import com.anthropic.models.messages.*;
 
// 通过环境变量 ANTHROPIC_API_KEY / ANTHROPIC_BASE_URL 自动配置
AnthropicClient client = AnthropicOkHttpClient.fromEnv();
 
MessageCreateParams params = MessageCreateParams.builder()
    .maxTokens(1024L)
    .addUserMessage("Hello, Claude")
    .model(Model.CLAUDE_SONNET_4_20250514)
    .build();
 
Message message = client.messages().create(params);

Go

import "github.com/anthropics/anthropic-sdk-go"

package main
 
import (
    "context"
    "fmt"
 
    "github.com/anthropics/anthropic-sdk-go"
    "github.com/anthropics/anthropic-sdk-go/option"
)
 
func main() {
    client := anthropic.NewClient(
        option.WithAPIKey("my-anthropic-api-key"),
        option.WithBaseURL("https://api.uniapi.io/claude"),
    )
 
    message, err := client.Messages.New(context.TODO(), anthropic.MessageNewParams{
        MaxTokens: 1024,
        Messages: []anthropic.MessageParam{
            anthropic.NewUserMessage(anthropic.NewTextBlock("What is a quaternion?")),
        },
        Model: anthropic.ModelClaudeSonnet4_20250514,
    })
    if err != nil {
        panic(err.Error())
    }
 
    fmt.Printf("%+v\n", message.Content)
}

Ruby

gem "anthropic", "~> 1.2.0"

require "bundler/setup"
require "anthropic"
 
anthropic = Anthropic::Client.new(
  api_key: ENV["ANTHROPIC_API_KEY"],
  base_url: "https://api.uniapi.io/claude",
)
 
message = anthropic.messages.create(
  max_tokens: 1024,
  messages: [{ role: "user", content: "Hello, Claude" }],
  model: :"claude-sonnet-4-20250514",
)
 
puts(message.content)

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