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Integration

Lago

Usage-based billing: customers, plans, subscriptions and invoices. Your client pastes their Lago key once, and your agent or your code works with their access.

Payments

About Lago

Lago is open-source usage-based billing.

Once your client connects Lago, your agent can work with customers, plans, subscriptions and invoices.

Lago

Lago · Payments

API key

Usage-based billing: customers, plans, subscriptions and invoices

The client pastes their API key from Lago's settings. We store it encrypted.

Tested against Lago's live API.

Tools

Every tool your agent gets for Lago. Select one to see its inputs and an example call.

  • Loading every tool…

Building with Lago? The docs have setup steps and code for every tool.

Open the Lago docs

Any other endpoint

The request tool calls any Lago endpoint the tools above don't cover, with the client's access attached.

Base URL for request

https://api.getlago.com/api/v1

  • request

    HTTPS ANY /v1/clients/{clientId}/lago/{path}

    Any endpoint of Lago's own API, with the client's access attached.

    servicestringrequired
    This service: lago
    methodstringrequired
    GET, POST, PUT, PATCH or DELETE
    pathstringrequired
    The path under https://api.getlago.com/api/v1
    queryobjectoptional
    Query parameters
    bodyobjectoptional
    A JSON body

Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.

What the client approves

  • Use the Lago key you paste, with only the access you gave that key

Get started

Send your next client one link

Add a client, select the services, copy the link. You'll get an email the moment their access is ready. Start free, no card required. Paid plans are one flat monthly price, and a busy month never takes your agents offline.