​
Proxy Integration

1

Create an account + Generate an API Key

Log into helicone or create an account. Once you have an account, you can generate an API key.

2

Set HELICONE_API_KEY as an environment variable

HELICONE_API_KEY=<your API key>
3

Modify the base path and add a Helicone-Auth header

import Anthropic from "@anthropic-ai/sdk";

const anthropic = new Anthropic({
  baseURL: "https://anthropic.helicone.ai",
  apiKey: process.env.ANTHROPIC_API_KEY,
  defaultHeaders: {
    "Helicone-Auth": `Bearer ${process.env.HELICONE_API_KEY}`,
  },
});

await anthropic.messages.create({
  model: "claude-3-opus-20240229",
  max_tokens: 1024,
  messages: [{ role: "user", content: "Hello, world" }],
});