Reference
These pages detail the core interfaces you will use when building with LangGraph. Each section covers a different part of the ecosystem.
LangGraph
The core APIs for the LangGraph open source library.- Graphs: Main graph abstraction and usage.
- Functional API: Functional programming interface for graphs.
- Pregel: Pregel-inspired computation model.
- Checkpointers: Saving and restoring graph state.
- MemorySaver: Storage backends and options.
- Errors: Error types and handling.
- Channels: Message passing and channels.
Prebuilt components
Higher-level abstractions for common workflows, agents, and other patterns.- Agents: Built-in agent patterns.
- Supervisor: Orchestration and delegation.
- Swarm: Multi-agent collaboration.