anthropics/anthropic-sdk-python

anthropics/anthropic-sdk-python

Language: Python

License: MIT

Stars: 3610

Forks: 722

Open issues: 298

Created: 2023-01-17T20:57:10Z

Pushed: 2026-06-09T23:55:23Z

Default branch: main

Fork: no

Archived: no

README:

Claude SDK for Python

The Claude SDK for Python provides access to the Claude API from Python applications.

Documentation

Full documentation is available at [platform.claude.com/docs/en/api/sdks/python](https://platform.claude.com/docs/en/api/sdks/python).

Installation

pip install anthropic

Getting started

import os
from anthropic import Anthropic

client = Anthropic(
api_key=os.environ.get("ANTHROPIC_API_KEY"), # This is the default and can be omitted
)

message = client.messages.create(
max_tokens=1024,
messages=[
{
"role": "user",
"content": "Hello, Claude",
}
],
model="claude-opus-4-6",
)
print(message.content)

Requirements

Python 3.9+

Contributing

See [CONTRIBUTING.md](./CONTRIBUTING.md).

License

This project is licensed under the MIT License. See the [LICENSE](LICENSE) file for details.