This article was originally published on AI Study Room . For the full version with working code examples and related articles, visit the original post. Rate Limiting Strategies for APIs: Token Bucket, Sliding Window, and Beyond Rate limiting is one of the few backend patterns that touches every layer of the stack: it protects your API from abuse, controls costs, ensures fair usage, and prevents cascading failures. But picking the wrong algorithm or implementing it incorrectly leads to inaccurate limits, race conditions, or excessive latency. This guide compares every major rate limiting algorithm and provides production-ready implementations.…