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Rate Limiter

Interactive Demo Auth Vault

Rate Limiting Algorithm Visualizer

See Token Bucket and Leaky Bucket algorithms in action — send requests and watch the state change.

Token Bucket

Leaky Bucket

Fixed Window

Sliding Window

Capacity / Limit

Refill Rate (tokens/sec)

Request Cost

Allowed

Denied

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Allow Rate

Request Log

Full version includes Redis-backed distributed rate limiting, per-user/IP/endpoint limits, dynamic config, and FastAPI/Django middleware.