Get into production with confidence
LangServe lets you deploy LangChain runnables and chains as a REST API. Built with battle-tested frameworks like FastAPI.
/batch and /stream endpoints
/docs endpoint
Inferred Input & Output schemas
and more
Preview your LLM app in a playground
Configure–and reconfigure–chain components.
Connect to LangSmith
Capture traces in LangSmith for easy observability and debugging. Just add your API key. Or use LangServe on its own.
A collection of production-ready reference architectures
Discover, download, and remix templates for a wide range of use-cases and models. Manage everything in one place.
Featuring templates from AI-first teams
BETA
Hosted LangServe
A managed offering for efficiently deploying your LangChain applications.