# Docs

> atrby docs cover installing the script, connecting payments, reports, privacy, and the REST API, MCP server and CLI.

Canonical: https://atrby.site/docs
Last updated: 2026-10-21

## Start in three steps

Add the script, connect your payment processor, and pass two ids at checkout. Most sites are done in ten minutes.

*index.html, in the head*

```html
<script defer src="https://app.atrby.site/atrby.js" data-site="st_your_site_key"></script>
```

- [Install](https://atrby.site/docs/setup): Add the script to your site.
- [Check it works](https://atrby.site/docs/verify): See your first visit and fix common problems.
- [Revenue attribution](https://atrby.site/docs/revenue): Match every payment to the visit that brought it.
- [Identify users](https://atrby.site/docs/identify): Credit payments made days after the first visit.

## Reports

- [Goals and funnels](https://atrby.site/docs/goals-funnels): Conversion goals and ordered funnels.
- [AI traffic and crawlers](https://atrby.site/docs/crawlers): Visits from assistants and the bots that read you.
- [Web vitals](https://atrby.site/docs/vitals): Core Web Vitals from real visits.
- [Alerts and emails](https://atrby.site/docs/alerts): Revenue, traffic and tracking alerts; weekly digest.

## For agents and code

One API key works for the REST API, the MCP server and the CLI.

- [REST API](https://atrby.site/docs/api): Read stats and create goals, alerts and payments.
- [MCP](https://atrby.site/docs/mcp): Ask Claude, Cursor and other assistants.
- [CLI](https://atrby.site/docs/cli): Your numbers in the terminal.
- [Payment API](https://atrby.site/docs/payment-api): Send payments from any other system.

## Privacy

No cookies by default and no IP addresses stored. See [cookieless and cookie mode](https://atrby.site/docs/privacy) and [data and retention](https://atrby.site/docs/architecture).

## Related
- [Install](https://atrby.site/docs/setup)
- [Check it works](https://atrby.site/docs/verify)