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

# Metrion Documentation

> The AI gateway that monitors, tracks, and optimizes your AI API usage across all providers.

Metrion is an AI gateway that sits between your application and AI providers like Anthropic, OpenAI, Gemini, Mistral, and Grok. Route your requests through Metrion to get real-time visibility into token usage, costs, latency, and errors — without changing your existing code.

<CardGroup cols={2}>
  <Card title="Quick Start" icon="rocket" href="/quickstart">
    Connect your first AI provider and send your first tracked request in minutes.
  </Card>

  <Card title="How It Works" icon="diagram-project" href="/how-it-works">
    Understand the proxy architecture and how Metrion tracks your usage.
  </Card>

  <Card title="Integration Guides" icon="plug" href="/integration/anthropic">
    Step-by-step guides for Anthropic, OpenAI, Gemini, Mistral, and Grok.
  </Card>

  <Card title="API Reference" icon="code" href="/reference/proxy-endpoints">
    Full reference for all proxy endpoints, headers, and authentication.
  </Card>
</CardGroup>

## Get started in 3 steps

<Steps>
  <Step title="Create your account">
    Sign up at [metrion.dev](https://metrion.dev) and get your Metrion API token (`sk-metrion-xxx`) from the Integration page.
  </Step>

  <Step title="Add your provider key">
    Go to **Integrate** and add your API key for Anthropic, OpenAI, or any supported provider. Metrion stores it encrypted.
  </Step>

  <Step title="Point your app at Metrion">
    Replace the base URL in your AI SDK with Metrion's proxy endpoint. Your `sk-metrion-xxx` token is your new API key.
  </Step>
</Steps>

## What you get

* **Real-time dashboard** — Monitor token usage, costs, latency, and error rates across all providers.
* **Request logs** — Browse every individual request with filtering, search, and CSV export.
* **AI Insights** — Get AI-generated recommendations to optimize your model usage and reduce costs.
* **Alerts** — Set thresholds on budget, error rate, latency p95, or request volume and get email notifications.
* **Multi-provider** — Anthropic, OpenAI, Gemini, Mistral, and Grok all in one place.