# rate_limiters

> **Module** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/rate_limiters)

Interface for a rate limiter and an in-memory rate limiter.

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/29134dc82dcb71fa693e57231bcc10f78a1b0c2b/libs/core/langchain_core/rate_limiters.py)