Open-source billing engine for AI products — token metering with model × token_type matrix pricing, prepaid commits + drawdown, per-customer margin/COGS. Self-hosted in your VPC.

ai billing billing-engine go golang invoicing llm metering open-source postgresql saas self-hosted stripe usage-based-billing
1 Open Issue Need Help Last updated: Aug 11, 2026

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enhancement help wanted

Open-source billing engine for AI products — token metering with model × token_type matrix pricing, prepaid commits + drawdown, per-customer margin/COGS. Self-hosted in your VPC.

Go
#ai#billing#billing-engine#go#golang#invoicing#llm#metering#open-source#postgresql#saas#self-hosted#stripe#usage-based-billing