Velox

Self-hosted, open-source usage billing engine for AI products with per-customer margin.

Webfreeglobal

Velox is a free, open-source, self-hosted billing engine for AI and usage-heavy SaaS products, offering multi-dimensional token metering, prepaid commits with drawdown, per-customer margin tracking, PDF invoicing with dunning, and a drop-in LiteLLM integration, deployed as a single Go binary. It suits AI and usage-based SaaS companies who want usage billing and margin visibility self-hosted in their own infrastructure, as an alternative to Stripe Billing or Metronome.

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