Lago

Open-source usage-based billing

4.6 / 5 · PSPDex editorial scoreCustom pricingBilling platformStandard risk

Last verified: September 2026

Overview

Lago is an open-source billing and metering engine for usage-based pricing, self-host it for free or use the managed cloud, with a clean API-first design.

Pricing

Free self-hosted; cloud plans from around $1,400/mo

Best for

SaaSSubscriptions

Key features

Open-source metering and billing
Usage-based and hybrid pricing
API-first design
Self-host or managed cloud

What we like

No vendor lock-in
Transparent codebase
Great fit for usage pricing

Watch out for

Requires engineering resources
Cloud tier is pricey

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