> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.tabs.com/get-started/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.tabs.com/_mcp/server.

# Get started

Learn the core concepts, make your first API calls, and test your Tabs integration end-to-end.

#### [Invoice a customer](/invoice-customer-quickstart)

Define billing terms and send your first invoice to a customer

#### [Set up usage-based billing](/usage-based-quickstart)

Meter usage events and generate invoices based on what your customers actually consume

#### [Tabs data model](/data-model)

Learn how Tabs organizes your revenue operations into entities

#### [Develop with Tabs](/develop-with-api)

Use the API to manage your billing lifecycle

> API docs and guides for Tabs — billing, contracts, payments, revenue recognition, and integrations.

## Docs

- [Invoice a customer quickstart](https://docs.tabs.com/invoice-customer-quickstart.md)
- [Usage-based billing quickstart](https://docs.tabs.com/usage-based-quickstart.md)
- [Tabs data model](https://docs.tabs.com/data-model.md)
- [Develop with the Tabs API](https://docs.tabs.com/develop-with-api.md)
- [Test your integration](https://docs.tabs.com/test-integration.md)