Cloudflare Error Pages

Custom Branded Error & Challenge Pages
Page Status API Identifier Token
Access Denied 403 waf_block
Access Restricted 403 ip_block
Security Verification 403 country_challenge ::CAPTCHA_BOX::
Server Error 5xx 500_errors ::CLOUDFLARE_ERROR_500S_BOX::
Configuration Error 1xxx 1000_errors ::CLOUDFLARE_ERROR_1000S_BOX::
Security Verification 403 interactive_challenge ::CAPTCHA_BOX::
Security Check 403 managed_challenge ::CAPTCHA_BOX::
Verifying Your Browser 403 non_interactive_challenge ::IM_UNDER_ATTACK_BOX::
Too Many Requests 429 ratelimit_block
Usage: Each HTML file is self-contained and ready for upload to Cloudflare's Error Pages configuration. Host on GitHub Pages or any static server, then point Cloudflare to the URL for each page type.