Token Bucket & Leaky Bucket Rate Limit Simulator

Interactive in-browser simulator for testing API throughput throttling, burst allowances, bucket capacity drain rates, and HTTP 429 Retry-After header generation.

Algorithm & Parameters

Algorithm

Capacity (Tokens)

Refill (Tokens/sec)

Incoming Request Stream (Burst Quantity)

Live Bucket Gauge & Telemetry 10 / 10 Tokens

// Dispatch requests on the left to observe rate limiting in real-time...

Allowed: 0 Dropped (429): 0