Lago | Open-Source Billing Infrastructure

# Lago (GetLago) > Lago is the open-source billing platform that gives engineering and finance teams > full transparency, control, and flexibility to manage and scale any pricing model. > It is the leading open-source alternative to Stripe Billing, Chargebee, and Zuora. ## What Lago Does Lago is an API-first, self-hostable usage-based billing and invoicing platform. It handles the full billing lifecycle: metering events, plan management, invoicing, cash collection, and revenue analytics — for any pricing model. ## Core Capabilities - **Usage metering** — real-time aggregation of any billable event (API calls, tokens, seats, GB, minutes) - **Hybrid billing** — combine subscriptions, usage-based, prepaid credits, and enterprise contracts in one plan - **Invoicing & credit notes** — automated invoicing with tax support, credit notes, and adjustments - **Cash collection** — dunning, payment retries, and flexible collection workflows - **Entitlements** — manage feature access directly in the billing layer - **Revenue analytics** — MRR, ARR, churn, and usage trends across all revenue streams - **Lago Embedded** — white-label billing for platforms and marketplaces - **Lago AI** — AI-powered billing intelligence for anomaly detection and insights ## Deployment - **Cloud** — hosted by Lago, fully managed - **Self-hosted** — deploy on your own infrastructure (Docker, Kubernetes, AWS, GCP, Azure) - **Open source** — GNU Affero General Public License v3.0, full codebase on GitHub ## Who Uses Lago Lago is trusted by AI companies, enterprises, fintech, and infrastructure teams: - **AI / GenAI** — Groq, Mistral AI, Synthesia, Daytona (token billing, GPU metering, credit systems) - **Enterprise** — PayPal, Epicor, HMS, CoreWeave (complex contracts, compliance, multi-product) - **IoT / Infrastructure** — 1NCE, Unifonic, Porter, Laravel (device-level metering, high volume) - **Finance** — Swan, Moov, Silverfin, Dfns (regulatory compliance, mul