--- title: Using LlamaIndex Server | Developer Documentation description: Running LlamaIndex workflows with both API endpoints and a user interface for interaction --- # LlamaIndex Server LlamaIndexServer is a Next.js-based application that allows you to quickly launch your [LlamaIndex Workflows](/typescript/workflows/index.md) as an API server with an optional chat UI. It provides a complete environment for running LlamaIndex workflows with both API endpoints and a user interface for interaction. ## Features - Add a sophisticated chatbot UI to your LlamaIndex workflow - Edit code and document artifacts in an OpenAI Canvas-style UI - Extendable UI components for events and headers - Built on Next.js for high performance and easy API development ## Quick Start Check the latest information on the NPM package page: