> ## 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 ```python theme={null} from openrouter.operations import UpdateKeysLimitReset # Open enum: unrecognized values are captured as UnrecognizedStr value: UpdateKeysLimitReset = "daily" ``` ## Values This is an open enum. Unrecognized values will not fail type checks. * `"daily"` * `"weekly"` * `"monthly"`