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upstash / ratelimit-ts

Lightweight guidance for using the Redis Rate Limit TypeScript SDK, including setup steps, basic usage, and pointers to advanced algorithm, features, pricing, and traffic‑protection docs.

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Source: https://github.com/upstash/ratelimit-js/tree/main/skills

Skill Content

---
name: upstash-ratelimit-ts
description: Lightweight guidance for using the Redis Rate Limit TypeScript SDK, including setup steps, basic usage, and pointers to advanced algorithm, features, pricing, and traffic‑protection docs.
---

# Rate Limit TS SDK

## Quick Start
- Install the SDK and connect to Redis.
- Create a rate limiter and apply it to incoming operations.

Example:
```ts
import { Ratelimit } from "@upstash/ratelimit";
import { Redis } from "@upstash/redis";

const redis = new Redis({ url: "<url>", token: "<token>" });
const limiter = new Ratelimit({ redis, limiter: Ratelimit.slidingWindow(5, "10s") });

const { success } = await limiter.limit("user-id");
if (!success) {
  // throttled
}
```

## Other Skill Files
- **algorithms.md**: Describes all available rate‑limiting algorithms and how they behave.
- **pricing-cost.md**: Explains pricing, Redis cost implications, and operational considerations.
- **features.md**: Lists SDK features such as prefixes, custom keys, and behavioral options.
- **methods-getting-started.md**: Full method reference for the SDK's API and getting started guide.
- **traffic-protection.md**: Guidance on applying rate limiting for traffic shaping, abuse prevention, and protection patterns.