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langgraph/docs/docs/concepts/sdk.md
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d59091672f feat: add docs translations (#5552)
Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
Co-authored-by: Tat Dat Duong <david@duong.cz>
2025-07-30 02:18:30 +00:00

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LangGraph SDK

:::python LangGraph Platform provides a python SDK for interacting with LangGraph Server.

!!! tip "Python SDK reference"

For detailed information about the Python SDK, see [Python SDK reference docs](../cloud/reference/sdk/python_sdk_ref.md).

Installation

You can install the LangGraph SDK using the following command:

pip install langgraph-sdk

Python sync vs. async

The Python SDK provides both synchronous (get_sync_client) and asynchronous (get_client) clients for interacting with LangGraph Server:

=== "Sync"

```python
from langgraph_sdk import get_sync_client

client = get_sync_client(url=..., api_key=...)
client.assistants.search()
```

=== "Async"

```python
from langgraph_sdk import get_client

client = get_client(url=..., api_key=...)
await client.assistants.search()
```

Learn more

:::js LangGraph Platform provides a JS/TS SDK for interacting with LangGraph Server.

Installation

You can add the LangGraph SDK to your project using the following command:

npm install @langchain/langgraph-sdk

Learn more