Rate Limiter
Four production-ready rate limiting algorithms in a single Python module. Zero dependencies.
Part of the API Launchpad toolkit by CodeVault.
Features
- Four algorithms: Token Bucket, Sliding Window Log, Sliding Window Counter, Fixed Window
- Three key extractors: IP address, API key, per-path rate limits
- HTTP middleware with
X-RateLimit-* response headers (IETF draft standard) - Thread-safe with stdlib threading locks
- Automatic cleanup of expired rate limit entries
- Demo server included — see rate limiting in action
- Zero dependencies — runs on Python stdlib only
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Rate Limiter v1.0.0 — Free Preview