Reference library

Reliability & rate limiting

Retries, exponential backoff, circuit breakers, token buckets, and idempotent handlers.

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Reliability & rate limiting easy

How to implement rate limiting in Python

Build a simple sliding-window rate limiter in Python that enforces a max number of calls per time period and formats data with timestamps.

rate-limiting time sliding-window
Python 
import time

class RateLimiter:
    def __init__(self, max_calls, period):
        self.max_calls = max_calls
        self.period = period
        self.calls = []
    
    def allow(self):
        now = time.time()
        # Remove calls older than the period window
        self.calls = [t for t in self.calls if now -…
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Reliability & rate limiting — Python code examples

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