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Introduction

Upstash QStash is a serverless message queue and task scheduler that seamlessly integrates with Helicone, allowing you to call any LLM asynchronously. This integration is particularly powerful for serverless environments, enabling you to overcome timeout limitations and efficiently manage LLM operations.

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Key Features

  • Asynchronous LLM Calls: Make non-blocking LLM requests, ideal for serverless architectures.
  • Support for Any LLM: Use with any LLM provider while maintaining Helicone observability.
  • Serverless-Friendly: Perfect for environments with execution time limits.
  • Extended Timeouts: Up to 2 hours for long-running LLM tasks.
  • Automatic Retries: Handles rate limit resets efficiently.
  • Batching Support: Optimize large-scale LLM operations.

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Integration Steps

1

Create a Helicone account + Generate an API Key

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

Make sure to generate a write only API key.

2

Sign up for Upstash QStash

Create an Upstash account and obtain your QStash token.

3

Integrate QStash with Helicone

Use the QStash client with your Helicone API key:

import { Client, custom } from "@upstash/qstash";

const client = new Client({ token: "<QSTASH_TOKEN>" });

await client.publishJSON({
  api: {
    name: "llm",
    provider: custom({
      token: "YOUR_LLM_PROVIDER_TOKEN",
      baseUrl: "https://api.your-llm-provider.com",
    }),
    analytics: { name: "helicone", token: "YOUR_HELICONE_API_KEY" },
  },
  body: {
    model: "your-chosen-model",
    messages: [{ role: "user", content: "Your message here" }],
  },
  callback: "https://your-callback-url.com",
});
4

View Your Logs

🎉 You’re all set! View your logs at Helicone.

By combining Upstash QStash LLM with Helicone, you can build robust, serverless-compatible AI applications while maintaining comprehensive observability into your LLM operations.

For more details on QStash LLM features and usage, visit the Upstash QStash LLM documentation.