The official Python library for the anthropic API
Project Links
Meta
Author: Anthropic
Requires Python: >=3.9
Classifiers
Intended Audience
- Developers
License
- OSI Approved :: MIT License
Operating System
- MacOS
- Microsoft :: Windows
- OS Independent
- POSIX
- POSIX :: Linux
Programming Language
- Python :: 3.9
- Python :: 3.10
- Python :: 3.11
- Python :: 3.12
- Python :: 3.13
- Python :: 3.14
Topic
- Software Development :: Libraries :: Python Modules
Typing
- Typed
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.
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.
License
This project is licensed under the MIT License. See the LICENSE file for details.
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