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.
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.