> ## 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. # ~~RateLimit~~ Legacy rate limit information about a key. Will always return -1. > :warning: **DEPRECATED**: This will be removed in a future release, please migrate away from it as soon as possible. ## Example Usage ```typescript theme={null} import { RateLimit } from "@openrouter/sdk/models/operations"; let value: RateLimit = { interval: "1h", note: "This field is deprecated and safe to ignore.", requests: 1000, }; ``` ## Fields | Field | Type | Required | Description | Example | | ---------- | -------- | -------------------- | --------------------------------------- | -------------------------------------------- | | `interval` | *string* | :heavy\_check\_mark: | Rate limit interval | 1h | | `note` | *string* | :heavy\_check\_mark: | Note about the rate limit | This field is deprecated and safe to ignore. | | `requests` | *number* | :heavy\_check\_mark: | Number of requests allowed per interval | 1000 |