lago

<!-- PROJECT LOGO -->
<div align="center">
  <a href="https://github.com/getlago/lago">
    <img src="./docs/images/readme-hero-assets/lago-product-platform.png" alt="Lago product interfaces for billable metrics, real-time usage, alerts, invoices, credits, and pricing">
  </a>

  <h1 align="center">Lago</h1>

  <p>
    <strong>Agentic-first monetization infrastructure for AI products</strong>
    <br />
    Meter tokens, compute, API calls, or any product usage.<br />
    Turn usage into pricing, credits, entitlements, invoices, payments, and revenue.
    <br />
    Use Lago Direct for your own product, or Lago Embedded to power monetization for your customers.
    <br />
    <br />
    <a href="https://getlago.com/pricing"><strong>Talk to us about Lago Cloud</strong></a>
    ·
    <a href="#build-with-your-ai-agent"><strong>Build with your AI agent</strong></a>
    ·
    <a href="#see-lago-price-an-ai-workload"><strong>Run the AI billing demo</strong></a>
    ·
    <a href="https://getlago.com/docs/welcome"><strong>Documentation</strong></a>
  </p>
</div>

<p align="center">
  <a href="https://github.com/getlago/lago/stargazers"><img src="https://img.shields.io/github/stars/getlago/lago" alt="GitHub stars"></a>
  <a href="https://github.com/getlago/lago/releases"><img src="https://img.shields.io/github/v/release/getlago/lago" alt="Latest release"></a>
  <a href="https://github.com/getlago/lago/blob/main/LICENSE"><img src="https://img.shields.io/badge/license-AGPLv3-purple" alt="AGPLv3 license"></a>
  <a href="https://getlago.com/slack"><img src="https://img.shields.io/badge/Slack-community-%234A154B" alt="Lago Slack community"></a>
</p>

<p align="center">
  <img src="./docs/images/readme-customer-proof-v1.png" alt="Trusted by Mistral AI, Groq, PayPal, Synthesia, and Blacksmith. Lago issues $829 million in invoices each month.">
</p>

<p align="center">
  <em>“Lago has been able to follow the pace of our releases and has allowed us to focus on what we do best.”</em>
  <br />
  <strong>Timothée Lacroix, CTO at Mistral AI</strong>
  ·
  <a href="https://getlago.com/blog/mistral-billing">Read the customer story</a>
</p>

---

## Build with your AI agent

Give your coding agent Lago's public documentation, then choose the API, CLI, or MCP for your workflow. Paste this prompt to start:

```text
Read https://getlago.com/llms.txt and follow the relevant Lago guides for this
project. Use https://swagger.getlago.com/openapi.yaml for exact API fields.
Help me design and implement a billing integration. Ask before live access.
```

| Your task | Start here |
| --- | --- |
| Build billing into your application | [REST API and SDKs](https://getlago.com/developers) |
| Inspect billing, run diagnostics, or write scripts | [Lago CLI](https://github.com/getlago/lago-cli) |
| Give an assistant tools for live billing data and supported operations | [Lago MCP server](https://github.com/getlago/lago-agent-toolkit) |
| Give your agent current billing and API context