Reference · GlossaryAvailability targetThe **desired percentage of successful requests** over a window — feeds SLOs and SLAs.On this pageWhen to useWhen not toExample#When to useSetting error budgets for chat APIs and comparing canary vs stable traffic.#When not toSingle-metric vanity goals without quality guardrails — availability without groundedness misleads.#ExampleTarget 99.9% successful `/chat` responses excluding client 4xx; alert when burn rate doubles.Learn by doing → Learn by doing →Related termsUptimeSLO (service level objective)SLA (service level agreement)← All terms