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Installation

The lunary module is lightweight and works with Node JS, Deno, Cloudflare Workers, Vercel Edge functions and even Bun.

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Node

npm install lunary

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For Cloudflare Workers

In your wrangler.toml file, make sure to add the Node.js compatibility flag:
compatibility_flags = [ "nodejs_compat" ]

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Setup

Start by importing the lunary module: 
import lunary from "lunary";
If you’re using in the browser, import like this: 
import lunary from "lunary/browser";
Then initialize the module with your unique app ID. Option 1: Automatic using environment variables (recommended): 
LUNARY_PUBLIC_KEY="0x0"
Option 2: Manually using the .init method: 
// Initialize the Lunary module with your unique app ID
lunary.init({
  publicKey: "0x0",
});
The .init method accepts the following arguments: 
{
  "appId": string, // Your unique app ID obtained from the dashboard
  "apiUrl": string, // Optional: Use a custom endpoint if you're self-hosting (you can also set LUNARY_API_URL)
  "verbose": boolean // Optional: Enable verbose logging for debugging
}

LangChain

Usage with LangChain JS.

OpenAI

Automatically track your OpenAI calls.

User Tracking

Identify your users.

Tagging

Segment your queries with tags.

Chats

Record user interactions with your chatbot.

Manual Integration

Learn how to use .trackEvent().

Serverless

Use with Lambda, Cloudflare Workers, Edge Functions, etc.

Agents & Tools

Setup tracing by tracking agents & tools.

API Reference

Full list of methods and classes.