Blog

Notes from the edge

Building, monetizing, and operating AI products — lessons from the field.

Metering AI credits without billing disputes

Why we meter every generation by real token usage against an append-only ledger — and how it ended customer billing arguments for good.

Edge-native from day one: the constraints that actually bit us, and the patterns that made TanStack Start, Hono, and Neon feel effortless.

The data model behind metered AI billing: idempotent webhooks, atomic balance guards, and why the ledger is the source of truth.