payments billingadvancedReddit r/SaaS usage billing threads + AI developer communitiesPRO
Usage-based and metered billing is a nightmare to implement correctly
Next.jsTypeScriptStripe MetersClickHouse
Problem Breakdown
API-first and AI products need usage-based billing: charge per API call, per token, per minute. Implementing it means metering events reliably at scale, aggregating them into billing periods, handling meter lag, and preventing both revenue leaks (unbilled usage) and customer rage (overbilling from double-counted events…
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