What are the Anthropic SDKs and what languages are officially supported?

Anthropic provides official SDKs that wrap the Claude API, handling authentication, request formatting, response parsing, automatic retries, and streaming. Using an SDK is strongly recommended over direct HTTP calls.

# Python SDK — basic setup
from anthropic import Anthropic

client = Anthropic()  # reads ANTHROPIC_API_KEY from environment

message = client.messages.create(
    model="claude-opus-4-8",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello, Claude!"}]
)
print(message.content[0].text)

# TypeScript SDK
import Anthropic from "@anthropic-ai/sdk";

const client = new Anthropic();  // reads ANTHROPIC_API_KEY from env

const message = await client.messages.create({
    model: "claude-opus-4-8",
    max_tokens: 1024,
    messages: [{ role: "user", content: "Hello, Claude!" }],
});
console.log(message.content[0].text);

SDK benefits: automatic retries (up to 2 by default), exponential backoff on rate limit errors, streaming helpers, typed response objects, and environment variable management for API keys. The Python and TypeScript SDKs are fully mature; Java, Go, and Kotlin are in preview as of mid-2026.

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