Lago
Open-source billing infrastructure platform enabling companies to manage usage metering, invoicing, and flexible pricing models — positioned as the developer-first, payment-agnostic alternative to Stripe Billing and Chargebee.
Lago
Open-source billing infrastructure platform enabling companies to manage usage metering, invoicing, and flexible pricing models — positioned as the developer-first, payment-agnostic alternative to Stripe Billing and Chargebee.
Executive Summary
Lago is a well-timed play in one of the fastest-growing infrastructure niches in software — usage-based billing — with genuine differentiation in its open-source, self-hosted model that no well-funded competitor replicates. The founding team has direct, credible operator experience at Qonto, a European fintech unicorn, and the $22M raise from FirstMark and YC is cleanly verified. The core risk is monetization: open-source freemium conversion is structurally hard, Stripe's $1B acquisition of Metronome dramatically raises the competitive bar, and the single disclosed traction metric ($829M in monthly invoice volume) is a self-reported proxy figure, not audited revenue. Until Lago discloses ARR, conversion rates from self-hosted to paid, and net revenue retention, the financial picture is incomplete.
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