rate-limiting

Implement rate limiting algorithms with Redis for API protection.

11|4|Updated Feb 9, 2026
One-click install
npx skills add https://github.com/wpank/ai --skill rate-limiting-wpank
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: rate-limiting
Source: https://github.com/wpank/ai/tree/main/skills/api/rate-limiting
Command: npx skills add https://github.com/wpank/ai --skill rate-limiting-wpank

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the critical need to protect APIs from abuse, manage usage tiers, and ensure fair access by implementing effective rate limiting strategies.

Core Features & Use Cases

  • Algorithm Implementation: Supports Token Bucket, Leaky Bucket, Fixed Window, and Sliding Window Counter algorithms.
  • Distributed Systems: Provides patterns for consistent rate limiting across multiple server instances using Redis.
  • Use Case: Implement a sliding window counter with Redis to limit API requests to 1000 per hour per user, returning a 429 Too Many Requests status code with appropriate headers when the limit is exceeded.

Quick Start

Use the rate-limiting skill to implement a sliding window counter algorithm for API requests.

Frequently Asked Questions about rate-limiting

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement rate limiting in a distributed system using Redis?

To implement rate limiting in a distributed system using Redis, you can use patterns like the sliding window counter to maintain consistent request tracking across multiple server instances for API protection.

What is the difference between token bucket and leaky bucket algorithms for API throttling?

Token bucket allows bursty traffic by accumulating tokens up to a capacity limit, while leaky bucket smooths request rates by processing them at a steady interval to enforce continuous API throttling.

How do I return a 429 Too Many Requests status code when a user exceeds API limits?

When API limits are exceeded, you return a 429 Too Many Requests status code alongside appropriate HTTP headers to inform the client, commonly implemented via a sliding window counter with Redis.

Can I apply tiered rate limits for fair usage policies across different API clients?

Yes, you can apply tiered rate limits to manage usage tiers and ensure fair access, preventing API abuse by setting specific request thresholds for different client types.

When should I use a sliding window counter instead of a fixed window for API security?

Use a sliding window counter instead of a fixed window for API security when you need smoother traffic boundaries and precise usage management, avoiding sudden request spikes at window edges typical in fixed window methods.

How does client-side handling work for API rate limiting and throttling?

Client-side handling for API rate limiting involves reading HTTP response headers to monitor remaining quotas and backing off requests when throttling occurs, ensuring compliance with fair usage policies.