> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # UpdateKeysLimitReset New limit reset type for the API key (daily, weekly, monthly, or null for no reset). Resets happen automatically at midnight UTC, and weeks are Monday through Sunday. ## Example Usage ```typescript theme={null} import { UpdateKeysLimitReset } from "@openrouter/sdk/models/operations"; let value: UpdateKeysLimitReset = "daily"; // Open enum: unrecognized values are captured as Unrecognized ``` ## Values ```typescript theme={null} "daily" | "weekly" | "monthly" | Unrecognized ```