Reference · GlossaryCost allocationTagging **token spend by team, feature, or customer** so you know who consumed what.On this pageWhen to useWhen not toExample#When to useMulti-tenant SaaS and internal platforms with shared API keys.#When not toPersonal prototypes with one user and one bill.#Example`/api/support` vs `/api/sales` each log `tokens_in`, `tokens_out`, and estimated USD per request.Learn by doing → Learn by doing →Related termsToken budgetCost per tokenAI monitoring← All terms