Do I need a Lago account to start?

You can read the public documentation and design an integration without a Lago account or API key. Checking real billing behavior requires a configured Lago environment. Use an isolated self-hosted instance for synthetic demonstrations.

Should I use the CLI or MCP?

Use the CLI for terminal workflows, scripts, and coding agents that can run shell commands. Use the product MCP server for assistants that call connected tools. Both access Lago through configured credentials. You do not need both.

How does my application connect to Lago?

Your application uses a Lago SDK or the REST API. The CLI and MCP give agents and operators convenient ways to work with Lago; application code does not need to run them.

Lago for AI agents

Build billing with your coding agent

Give your agent Lago's documentation. Use the API, CLI, or MCP to turn your pricing into a billing integration, then verify the amount your customers are charged.

Read the agent guide Try a starting prompt

Breakout	Dec 2023	Jan 2024	Feb 2024
New MRR	$10,000.00	$15,000.00	$20,000.00
Expansion MRR	$20,000.00	$25,000.00	$25,000.00
Lost MRR	-$10,000.00	-$10,000.00	-$15,000.00
MRR Growth	10%	12%	15%

Researching billing platforms for a buyer? Use the Lago evaluation guide to check fit, product boundaries, and the demo path.

Billing for developers and agents

Use the API in your application, the CLI in your terminal, or MCP in a connected assistant. Choose the path that fits your workflow.

Connect the tools your workflow needs

Use the API in your application, the CLI in your terminal, or MCP in a connected assistant. Choose the path that fits your workflow.

Lago CLI

Inspect customers, configure billing, and check results from your terminal. JSON output fits scripts and coding agents.

Use the CLI

Product MCP

Give your assistant connected tools for live billing data and supported operations. Configure the Lago environment and API key before use.

Connect the MCP server

API and SDKs

Build billing into your application with the REST API or an official SDK. Give your agent the OpenAPI specification for exact request and response fields.

Explore the API

Frontier AI

Lago has been able to follow the pace of our releases and has allowed us to focus on what we do best.

— Timothée Lacroix, CTO, Mistral AI

Read their story

Before you start

No. Give your agent the public documentation, then use the REST API, CLI, or product MCP for the work you need. The optional Lago plugin packages billing guidance and examples for Claude Code and Codex. Its public release is in preparation.