Lago

Lago is an open-source, API-first billing platform designed for usage-based billing and complex pricing models. It provides granular control over metering, invoicing, and subscription management, supporting flexible pricing iterations. The platform offers real-time usage metering, billing and invoicing, entitlements, and cash collection capabilities. Lago also includes revenue analytics and an embedded version for white-label billing in platforms. It features AI-powered billing intelligence and integrations for enterprise billing. The platform is suitable for managing billing for tokens, GPUs, credits, and hybrid models.