Cloudflare WAF and 5-second challenge solver: pass a Cloudflare "Just a moment..." or "Checking your browser" challenge page through your own proxy and get the cf_clearance cookie with the user agent it is bound to. A tested Python example with the standard library only, and a curl recipe.
python proxy cloudflare web-scraping captcha-solver captcha-api cf-clearance cloudflare-waf cloudflare-challenge cf-clearance-cookie cloudflare-challenge-solver just-a-moment zerocaptcha managed-challenge cloudflare-waf-challenge cloudflare-5-second-challenge checking-your-browser
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Updated
Oct 3, 2026 - Python