## 1.2.0 (2026-08-27)
Full Changelog: [v1.1.0...v1.2.0](https://github.com/anthropics/anthropic-sdk-python/compare/v1.1.0...v1.2.0)
### Features
* **api:** beta files/skills namespaces use GA shapes; drop dated beta header pins ([9df4565](https://github.com/anthropics/anthropic-sdk-python/commit/9df4565fdfe4eec941809a0a3d1615ee11e16b68))
### Bug Fixes
* **aws,bedrock:** sign raw request bytes so binary file uploads work ([#531](https://github.com/anthropics/anthropic-sdk-python/issues/531)) ([f50e910](https://github.com/anthropics/anthropic-sdk-python/commit/f50e9106c002d71966f5f8027758b3d703999936))
* **ci:** resolve assignment aliases in detect-breaking-changes ([f2c4925](https://github.com/anthropics/anthropic-sdk-python/commit/f2c49254941b4d700fe97cbe6bb85205b06a6460))
* **sessions:** make event accumulator forward-compatible with new event types ([#533](https://github.com/anthropics/anthropic-sdk-python/issues/533)) ([cbbaf6e](https://github.com/anthropics/anthropic-sdk-python/commit/cbbaf6e46358d5c844eac01ed3c50a797daf93a7))
* **tools:** let read return a view_range of a file over the size cap ([#538](https://github.com/anthropics/anthropic-sdk-python/issues/538)) ([b68e876](https://github.com/anthropics/anthropic-sdk-python/commit/b68e876345bde1ecc099ef245e87b1319dc8d080))
* **tools:** preserve exact file bytes in the agent toolset and memory tool (no newline translation) ([#540](https://github.com/anthropics/anthropic-sdk-python/issues/540)) ([56921a8](https://github.com/anthropics/anthropic-sdk-python/commit/56921a8c04e0ec71192fcd22dd28db2a5e1306f7))
* **webhooks:** require headers to be passed to `unwrap()` ([0baa902](https://github.com/anthropics/anthropic-sdk-python/commit/0baa90225359f6b4bec50476c19bb52c2ad4250d))
### Documentation
* **api:** clarify pagination on the organization rate-limit list endpoints ([1832b27](https://github.com/anthropics/anthropic-sdk-python/commit/1832b27d0751943640cb898bb77c088ea3f24acb))
▸ 主项目介绍 · anthropics/anthropic-sdk-python
▸ README 原文（同步于 2026-07-19 13:24）
# Claude SDK for Python
[](https://pypi.org/project/anthropic/)
The Claude SDK for Python provides access to the [Claude API](https://docs.anthropic.com/en/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
```sh
pip install anthropic
```
## Getting started
```python
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.