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Lotus is an open-source pricing and billing engine for businesses of any model, including usage-based, per-seat, and custom pricing. Use the real-time system to optimize, test, and deploy your pricing, and streamline metering, entitlements, and invoices.

Developer-first Cloud Metering and Usage-Based Pricing and Billing Platform built from the ground up to enable modern Usage-Based Pricing with real-time metering, and on-demand invoicing and billing.