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slowapi

A rate limiter for Starlette and FastAPI

pyrate-limiter

⚔️Python Rate-Limiter using Leaky-Bucket Algorithm Family

rush

Modular, way of implementing rate-limiting in python with a few handy default implementations

throttler

🔀⏳ Easy throttling with asyncio support

throttled-py

🔧 High-performance Python rate limiting library with multiple algorithms (Fixed Window, Sliding Window, Token Bucket, Leaky Bucket & GCRA) and storage backends (Redis, In-Memory).

mthrottle

A simple and generic rate limiter to prevent too many function calls or http requests.

llmratelimiter

Distributed rate limiter for LLM APIs with FIFO queues, TPM/RPM limits, and burst prevention

aiohttp-ratelimiter

A rate limiter for the aiohttp.web framework

self-limiters

Async distributed rate limiters for Python

asyncio-redis-rate-limit

Rate limiter for async functions using Redis as a backend.

aiorate

Loop frequency regulation for asyncio

asyncmq

Supercharge your async applications with tasks so fast, you’ll think you’re bending time itself.

pyresilience

Unified resilience patterns for Python — retry, circuit breaker, timeout, fallback, bulkhead, rate limiter, and cache in one decorator. Python's Resilience4j.

ratellmiter-ai

Rate limiter for LLM clients

djangorestframework-ratelimit

Cache-based rate-limiting for Django and Django REST Framework

adaptive-rate-limiter

Provider-agnostic adaptive rate limiting for AI/ML APIs with intelligent scheduling, streaming support, and distributed backends

fastrict

A comprehensive rate limiting system for FastAPI with Redis backend

credit-rate-limit

Easily rate limit async requests to API using credits, computation unit per second (CUPS) or request units, and to those just counting the number of requests per time unit

ratelimit-io

ratelimit-io: Flexible bidirectional rate-limiting library with redis backend

fastapi-redis-rate-limiter

fastapi-redis-rate-limiter

rate-sync

Simple, robust distributed rate limiter for Python — Redis, PostgreSQL, or in-memory

fastapi-cap

A robust, extensible, and production-ready rate limiting library for FastAPI, supporting multiple algorithms and Redis backend.

easylimit

A simple, precise Python rate limiter with built-in context manager support for hassle-free API throttling

centralized-rate-limiter

Utility to handle rate limiting and retries in a centralized manner. Single rate limit for all your request methods.