Python Requests Proxy: Setup, Auth & Rotation (2026)

If you’ve ever messed around with scraping or automating requests in Python, you’ve probably run into the usual roadblocks. One minute everything’s smooth, the next you’re getting captchas, random 403 errors, or just radio silence from the site. That’s usually the internet’s polite way of saying: “Hey buddy, slow down.” This is where proxies save the day.