> ## Documentation Index
> Fetch the complete documentation index at: https://docs.neurometric.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Drop-in replacement for OpenAI with built-in analytics and cost optimization

## Welcome to Neurometric

Neurometric is a drop-in replacement for OpenAI with built-in analytics, observability, and cost optimization.

Just update your base URL, use your Neurometric API key, and keep the rest of your code the same.

<Card title="Get started" icon="rocket" href="/quickstart" horizontal>
  Set up your API key, update your endpoint, and make your first request.
</Card>

## What’s in these docs

<Columns cols={2}>
  <Card title="Quick Start" icon="bolt" href="/quickstart">
    Start making requests with Neurometric in just one line of code.
  </Card>

  <Card title="API Reference" icon="terminal" href="/api-reference">
    See the request format, response format, supported parameters, and error handling.
  </Card>
</Columns>

## OpenAI compatible

Neurometric is fully compatible with OpenAI’s chat completions format, so you can keep using your existing code and SDKs with minimal changes.

<Card title="View the API reference" icon="code" href="/api-reference">
  Explore request parameters, response fields, and example usage.
</Card>