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LangChain · Interface

BaseChatMessageHistory

BaseChatMessageHistory defines how chat messages are stored and managed. InMemoryChatMessageHistory provides a list-based implementation for temporary memory.

Last updated

Since
v1.7

Syntax

class BaseChatMessageHistory(ABC)

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • InMemoryChatMessageHistory
  • BaseMessage
  • add_messages
  • aget_messages

Source: BaseChatMessageHistory | langchain_core | LangChain Reference. Checked 2026-11-03.