# get_checkpoint_id

> **Function** in `langgraph.checkpoint`

📖 [View in docs](https://reference.langchain.com/python/langgraph.checkpoint/base/get_checkpoint_id)

Get checkpoint ID.

## Signature

```python
get_checkpoint_id(
    config: RunnableConfig,
) -> str | None
```

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[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/aa322c13cd5f16a3f6254a931a4104e412cd687c/libs/checkpoint/langgraph/checkpoint/base/__init__.py#L752)