Launch HN: Lago (YC S21) – Open-source usage-based billing

Hi HN, we’re the cofounders of Lago: an open-source alternative to Stripe Billing, Chargebee, and Recurly. That is, we make software that helps businesses calculate how much their own customers should pay them—based on their subscription, consumption, discounts, taxes, credit notes, or negotiated terms—and then invoice them. Our website is at https://www.getlago.com and our Github is here: https://github.com/getlago/lago . We’re focused on composability (use only the parts you need), metering (measuring how much of a software service end users use, so that the service can charge them based on that), code transparency (we’re open source, so no black box - you can have a full understanding of how we built our API) auditable code, no lock-in into anyone’s ecosystem, and fair pricing (we don’t take a cut of your revenue). We’ve been in Fintech for more than 7 years, and were the earliest employees at Qonto.com (SMB Neobank in EU), where we built and scaled the