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Use the OpenAI SDK to access 100+ LLM models with automatic logging and observability.
The AI Gateway is our recommended integration, you get automatic fallbacks, 100+ models through one SDK, and seamless model switching.However, we understand you might already be deeply integrated with a third-party SDK.We support direct integrations for OpenAI, Anthropic, Azure, and 20+ other providers. You’ll still get full observability, just without the unified API benefits.

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Quick Integration

Two steps to your first logged request:
1

Set up your keys

  1. Create an account: Sign up for free
  2. Helicone API Key: Go to API Keys and generate a new key
  3. Provider Keys: Add your LLM API keys (OpenAI, Anthropic, etc.) at Provider Keys
The Helicone key authenticates with our gateway. Provider keys let you access the actual LLMs.
2

Send your first request

Helicone’s AI Gateway is an OpenAI-compatible, unified API with access to 100+ models, including OpenAI, Anthropic, Vertex, Groq, and more.Bring your own key: Go to Provider Keys to securely store API keys for the providers you want to use.
  • TypeScript
  • Python
  • cURL
import { OpenAI } from "openai";

const client = new OpenAI({
  baseURL: "https://ai-gateway.helicone.ai",
  apiKey: process.env.HELICONE_API_KEY,
});

const response = await client.chat.completions.create({
  model: "gpt-4o-mini", // Or 100+ other models
  messages: [{ role: "user", content: "Hello, world!" }],
});
Once you run this code, you’ll see your request appear in the Requests tab within seconds.
See all supported models or configure provider routing for reliability.

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What’s Next?

Now that data is flowing, explore what Helicone can do for you:

Explore The Platform

Understand how Helicone solves common LLM development challenges.

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Questions?

Although we designed the docs to be as self-serving as possible, you are welcome to join our Discord or contact help@helicone.ai with any questions or feedback you have.