> ## Documentation Index
> Fetch the complete documentation index at: https://docs.langchain.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Checkpointer integrations

> Integrate with checkpointer backends for LangGraph persistence.

Checkpointers enable [persistence](/oss/python/langgraph/persistence) in LangGraph, allowing agents to save and resume state across interactions.

| Backend                                                                                          | Package                                                                                      | Source                                                                                                                          |
| ------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- |
| [In-memory](https://reference.langchain.com/python/langgraph.checkpoint/memory/InMemorySaver)    | [`langgraph-checkpoint`](https://pypi.org/project/langgraph-checkpoint/)                     | [langchain-ai/langgraph](https://github.com/langchain-ai/langgraph/tree/main/libs/checkpoint)                                   |
| [SQLite](https://reference.langchain.com/python/langgraph.checkpoint.sqlite/SqliteSaver)         | [`langgraph-checkpoint-sqlite`](https://pypi.org/project/langgraph-checkpoint-sqlite/)       | [langchain-ai/langgraph](https://github.com/langchain-ai/langgraph/tree/main/libs/checkpoint-sqlite)                            |
| [PostgreSQL](https://reference.langchain.com/python/langgraph.checkpoint.postgres/PostgresSaver) | [`langgraph-checkpoint-postgres`](https://pypi.org/project/langgraph-checkpoint-postgres/)   | [langchain-ai/langgraph](https://github.com/langchain-ai/langgraph/tree/main/libs/checkpoint-postgres)                          |
| AWS (DynamoDB, Bedrock, Valkey)                                                                  | [`langgraph-checkpoint-aws`](https://pypi.org/project/langgraph-checkpoint-aws/)             | [langchain-ai/langchain-aws](https://github.com/langchain-ai/langchain-aws/tree/main/libs/langgraph-checkpoint-aws)             |
| MongoDB                                                                                          | [`langgraph-checkpoint-mongodb`](https://pypi.org/project/langgraph-checkpoint-mongodb/)     | [langchain-ai/langchain-mongodb](https://github.com/langchain-ai/langchain-mongodb/tree/main/libs/langgraph-checkpoint-mongodb) |
| Azure Cosmos DB NoSQL                                                                            | [`langchain-azure-cosmosdb`](https://pypi.org/project/langchain-azure-cosmosdb/)             | [langchain-ai/langchain-azure](https://github.com/langchain-ai/langchain-azure/tree/main/libs/azure-cosmosdb)                   |
| Redis                                                                                            | [`langgraph-checkpoint-redis`](https://pypi.org/project/langgraph-checkpoint-redis/)         | [redis-developer/langgraph-redis](https://github.com/redis-developer/langgraph-redis)                                           |
| [Cockroach DB](/oss/python/integrations/providers/cockroachdb#langgraph-checkpointer)            | [`langchain-cockroachdb`](https://pypi.org/project/langchain-cockroachdb/)                   | [cockroachdb/langchain-cockroachdb](https://github.com/cockroachdb/langchain-cockroachdb)                                       |
| [Aerospike](/oss/python/integrations/providers/aerospike#langgraph-checkpointer)                 | [`langgraph-checkpoint-aerospike`](https://pypi.org/project/langgraph-checkpoint-aerospike/) | [aerospike-community/aerospike-langgraph](https://github.com/aerospike-community/aerospike-langgraph)                           |

***

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