retryafter 0.1.0

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Retry After

A lightweight, dependency-free Python decorator to automatically handle HTTP 429 Rate Limits and respect Retry-After headers. Built for modern APIs, web scrapers etc, supporting both sync and async clients.

Table of contents

• Quick Start
• Configuration
• License

Quick Start

Synchronous Client

import httpx
from retryafter import auto_retry

@auto_retry(max_attempts=3, default_wait=2.0)
def fetch_api_data(url: str) -> dict:
    response = httpx.get(url)
    response.raise_for_status()  # This triggers the retry logic on 429
    return response.json()

Asynchronous Client

import httpx
import anyio
from retryafter import auto_retry

@auto_retry(max_attempts=5)
async def fetch_api_data_async(url: str) -> dict:
    async with httpx.AsyncClient() as client:
        response = await client.get(url)
        response.raise_for_status()
        return response.json()

Configuration

You can customize the decorator behavior using the following parameters:

Parameter	Type	Default	Description
max_attempts	int	3	The maximum number of attempts before raising the original exception.
default_wait	float	2.0	Fallback wait time (in seconds) if the server does not return a Retry-After header.
reraise	bool	True	If True, bubbles up the original httpx.HTTPStatusError instead of tenacity's RetryError.

License

MIT License © 2026 Dawid Wielechowski