https://www.rik-kisnah.ai/tags/metering/Recent content in Metering on Rik Kisnah - BlogHugoenTue, 16 Jun 2026 09:00:00 -0700https://www.rik-kisnah.ai/teach/systems/design-a-token-usage-and-limits-service/Tue, 16 Jun 2026 09:00:00 -0700https://www.rik-kisnah.ai/teach/systems/design-a-token-usage-and-limits-service/Every request to a language model burns tokens. Somebody has to answer ‘may this user spend more?’ in a few milliseconds, for personal accounts and for companies with a hundred engineers under one bill, and then record what was actually spent. Design that gate: the entities, the three endpoints, the counters, and the one rule that keeps it from ever blocking the model by accident.