> ## 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. # UsageLimitType Optional credit limit reset interval. When set, the credit limit resets on this interval. ## Example Usage ```typescript theme={null} import { UsageLimitType } from "@openrouter/sdk/models/operations"; let value: UsageLimitType = "monthly"; // Open enum: unrecognized values are captured as Unrecognized ``` ## Values ```typescript theme={null} "daily" | "weekly" | "monthly" | Unrecognized ```