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<!DOCTYPE html>
<html>
<head>
    <title>Claude SDK Docs</title>
    <meta charset="utf-8">
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</head>
<body class="markdown-body">
    <div id="content"></div>
    <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
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        const markdownContent = `
# Client SDKs

Official SDKs for building with the Claude API in Python, TypeScript, Java, Go, Ruby, C#, PHP, and the command line.

---

Anthropic provides official client SDKs in multiple languages to make it easier to work with the Claude API. Each SDK provides idiomatic interfaces, type safety, and built-in support for features like streaming, retries, and error handling.

<Info>
  For the full API specification, see the [API reference](/docs/en/api/overview).
</Info>

<CardGroup cols={3}>
  <Card title="CLI" href="/docs/en/api/sdks/cli">
    Shell scripting, typed flags, response transforms
  </Card>
  <Card title="Python" href="/docs/en/api/sdks/python">
    Sync and async clients, Pydantic models
  </Card>
  <Card title="TypeScript" href="/docs/en/api/sdks/typescript">
    Node.js, Deno, Bun, and browser support
  </Card>
  <Card title="Java" href="/docs/en/api/sdks/java">
    Builder pattern, CompletableFuture async
  </Card>
  <Card title="Go" href="/docs/en/api/sdks/go">
    Context-based cancellation, functional options
  </Card>
  <Card title="Ruby" href="/docs/en/api/sdks/ruby">
    Sorbet types, streaming helpers
  </Card>
  <Card title="C#" href="/docs/en/api/sdks/csharp">
    .NET Standard 2.0+, IChatClient integration
  </Card>
  <Card title="PHP" href="/docs/en/api/sdks/php">
    Value objects, builder pattern
  </Card>
</CardGroup>

## Quick installation

### CLI
\`\`\`bash
brew install anthropics/tap/ant
\`\`\`

### Python
\`\`\`bash
pip install anthropic
\`\`\`

### TypeScript
\`\`\`bash
npm install @anthropic-ai/sdk
\`\`\`

### C#
\`\`\`bash
dotnet add package Anthropic
\`\`\`

### Go
\`\`\`bash
go get github.com/anthropics/anthropic-sdk-go
\`\`\`

### Java
#### Gradle
\`\`\`groovy
implementation("com.anthropic:anthropic-java:2.30.0")
\`\`\`

#### Maven
\`\`\`xml
<dependency>
    <groupId>com.anthropic</groupId>
    <artifactId>anthropic-java</artifactId>
    <version>2.30.0</version>
</dependency>
\`\`\`

### PHP
\`\`\`bash
composer require anthropic-ai/sdk
\`\`\`

### Ruby
\`\`\`bash
bundler add anthropic
\`\`\`

## Quick start

### Python
\`\`\`python
import anthropic

client = anthropic.Anthropic()

message = client.messages.create(
    model="claude-opus-4-7",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello, Claude"}],
)
print(message.content)
\`\`\`

### TypeScript
\`\`\`typescript
import Anthropic from "@anthropic-ai/sdk";

const client = new Anthropic();

const message = await client.messages.create({
  model: "claude-opus-4-7",
  max_tokens: 1024,
  messages: [{ role: \"user\", content: \"Hello, Claude\" }]
});
console.log(message.content);
\`\`\`

## Platform support

All SDKs support multiple deployment options:

| Platform | Description |
|----------|-------------|
| Claude API | Connect directly to Claude API endpoints |
| Amazon Bedrock | Use Claude through AWS |
| Google Vertex AI | Use Claude through Google Cloud |
| Microsoft Foundry | Use Claude through Microsoft Azure |

## Requirements

| SDK | Minimum version |
|-----|-----------------|
| Python | 3.9+ |
| TypeScript | 4.9+ (Node.js 20+) |
| Java | 8+ |
| Go | 1.23+ |
| Ruby | 3.2.0+ |
| C# | .NET Standard 2.0 |
| PHP | 8.1.0+ |
`;
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